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Super Cool Surface

The latest in cooling sleep technology

Free Delivery

For all mattresses

Vacuum-Packed

Germ-free delivery

Designed to Match

All Picket&Rail beds

Designed for Sex

First in the world for sex and sleep

Asia's #1 Bestselling Mattress - Designed For Sex & Sleep

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Millions Sold In Asia

Quality mattresses minus the frills made us #1.

Rolled & Compressed

Vacuum-packed for freshness and germ-free delivery.

Quick & Simple Unpacking Process

Setup your ShinJu mattress in 5 easy steps.

Heat Dissipation Technology

All thanks to the cooling special euro and pillow tops.

Cooler & Better Sex

Efficient wicking keeps you cool during sleep and sex.

Better Sex In All Positions

Firm edges and stiff springs are essential for the right bounce.

Partner Isolation With Pocketed Springs

Your partner's tosses and turns can't disrupt your slumber.

Double Tempered Springs

The added carbon results in firmer tensile strength.

Our Springs Have Zones

Follows the curves of your body for maximum comfort.

Different Thickness

You decide on the optimal height for every night.

Latex For The Win

Natural latex is hypoallergenic, durable, and eco-friendly.

The Latest In Foam Technology

Keeping you cool and healthy while you sleep longer.

The Benefits Of Activated Carbon Foam & Fabrics

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Double Carbon to Double the Benefits: ShinJu Air II

If you're all about detoxifying your sleep, this is the mattress for you. This comfortable pillow-top mattress boasts an Air-Gel infused charcoal memory foam upholstered in cooling 3D knitted charcoal fabric.

Start your healthy sleep journey with this luxury model at a reasonable price!

The Benefits Of AirGel™ Foam

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The Coolest Sleep in the Hottest Climate: ShinJu Air III

If you sleep hot, this is the mattress for you. Our proprietary Supakuru Ice Fabric is so cool to the touch for better body temperature regulation. With breathable mesh sides, your heat will disperse into the environment instead of cooping up in between the layers.

You'll have to feel it for yourself at our 35 Senang Crescent store.

Inkagu Super Cooling Hybrid Mattresses Made For Sex & Sleep

Inkagu is Japan's #1 best mattress and bedding brand. We focus on super cooling hybrid Air Gel mattresses. Our cooling mattresses are well-suited for hot and humid climates like Singapore due to several design features that help regulate temperature and enhance sleep comfort in such conditions. Here are some reasons why our cooling mattresses are popular in hot and humid climates:

Air Gel Foam - Hybrid Mattress

  1. Cooling Technology: ShinJu cooling mattresses incorporate advanced cooling technologies like gel-infused memory foam or open-cell foam. These materials are designed to dissipate heat and enhance airflow. These materials actively keep the mattress surface cooler, providing a more comfortable sleep experience.

  2. Breathable Fabrics: ShinJu cooling mattresses often use mattress covers made from breathable and moisture-wicking fabrics. These fabrics actively enhance airflow and wick away moisture, ensuring a cooler and more comfortable sleep surface. These fabrics allow air to circulate more freely. Preventing heat buildup and wicking away sweat, which is beneficial in hot and humid climates.

  3. Moisture Management: ShinJu mattresses are designed to manage moisture effectively. They can absorb and disperse sweat, preventing the mattress from becoming damp and uncomfortable during hot nights.

  4. Ventilated Design: Some ShinJu cooling mattresses may have a ventilated design with perforations or air channels in the foam layers. This enhances airflow and heat dissipation, providing a cooler sleep surface.

  5. Cool-to-Touch Surface: Some cooling mattress models have a cool-to-touch surface that feels refreshing when in contact with the skin, making it more comfortable during warm nights.

Ideal Cooling Mattress For Hot Sleepers

Everything about this mattress is about staying cool. Starting from top to bottom.

  • Top Layer: 
    • Anti-Microbial Ice Thermic Carbon Fiber Fabric (ShinJu III)
    • 3D-Knitted Super Cool Fabric (ShinJu II)
    • Charcoal Fabric (Shin Ju 1)
  • Comfort Layer: Gel-Infused Airflow Cooling Foam (Air Gel)
  • Transition Layer: Perforated Natural Latex
  • Support Layer: Activated Charcoal Memory Foam With Moisture Wicking Properties
  • 2nd Support Layer: Flexible Polyurethane (PU) Open Cell Foam
  • Side Fabric: Double-Knitted Super Cool Ventilated Fabric (100% Polyester)

Hybrid Mattress Construction

Indeed, Inkagu's combination of airgel foam, activated charcoal memory foam, and pocketed springs in a hybrid mattress is an example of thoughtful engineering to create a product that leverages the best properties of each material. Each component serves a specific purpose, resulting in a mattress that offers a balance of comfort, support, and advanced features.

#1 Airgel Foam:

Airgel foam is known for its excellent cooling properties and breathability. It helps dissipate heat, providing a cooler sleep surface and reducing discomfort from heat build-up during the night.

#2 Activated Charcoal Memory Foam:

Memory foam with activated charcoal particles offers superior odor absorption and air purification properties. The charcoal helps neutralize odors and traps moisture, contributing to a fresh and hygienic sleep environment.

#3 Pocketed Springs:

The pocketed spring system provides targeted support and motion isolation. Each spring is individually wrapped, allowing them to move independently, which reduces motion transfer and enhances support, especially for different areas of the body.

Best Of 3 Worlds

By combining these materials, Inkagu's hybrid mattress can offer a comprehensive sleep experience that addresses various sleep concerns. The cooling properties of airgel foam and the odor-absorbing capabilities of activated charcoal memory foam complement each other. Additionally, the support and motion isolation provided by the pocketed springs enhance the overall comfort and performance of the mattress.

This level of engineering and attention to materials showcases Inkagu's commitment to creating a high-quality mattress that caters to the needs of different sleepers. When looking for a mattress, consumers can benefit from understanding the specific features and benefits of each material and how they work together to create a superior sleep surface.

Gel-Infused Airflow Cooling Foam (Air Gel)

Air Gel foam is a hybrid of two technologies.

  1. Gel-Infused Foam Technology: Gel-infused foam is a popular technology in mattresses. It involves adding gel beads or particles into the foam to enhance its cooling properties. The gel helps to dissipate heat away from the body, providing a cooler sleep surface compared to traditional foam mattresses.
  2. Airflow-Enhancing Foam Technology: Some foam mattresses are designed with an open-cell or ventilated structure, which allows for better airflow. This design facilitates breathability and heat dissipation, promoting a cooler sleeping experience.

This component is the first major component of our hybrid mattress layers. Its primary functions are comfort support and cooling through the phase change gel mattress foam technology.

Natural Latex Support Mattress Foam

When used as a top layer support foam, latex provides additional padding and cushioning. It can add a luxurious and plush feel to the sleep surface, enhancing the overall comfort of the mattress. Latex is known for its responsive and pressure-relieving properties. This makes it an excellent choice for a top support layer that contributes to the mattress's feel without compromising support.

Additionally, latex is durable, naturally hypoallergenic, and has excellent breathability, which can help with temperature regulation. These properties make it a desirable material for the top layers of a mattress, including support layers.

3 Layer Mattress Foam Architecture: Transitioning From Gel To Charcoal 

The activated charcoal memory foam is the next layer after the latex. It is the second major component of our hybrid mattress architecture. Its combines well with the Air Gel layer with the latex acting as the transition medium in the top half of the mattress.The primary purpose of this 3 layer approach is to create a gradual shift in firmness and responsiveness between the softer comfort layer and the firmer support layer. It ensures that sleepers experience a balanced combination of pressure relief and support, promoting proper spinal alignment and preventing the feeling of "bottoming out" on the firmer support layer.

Activated Charcoal Memory Mattress Foam

Active charcoal foam, also known as activated carbon foam, is a specialized type of foam that contains activated carbon particles. Top mattress manufacturers are increasingly using this type of foam in their products due to its unique properties and numerous benefits. Here are some of the advantages of using active charcoal foam in mattresses:

Charcoal Memory Mattress Foam

#1 Odor Absorption:

Activated carbon has a highly porous structure with a large surface area. It can effectively absorb and trap odors, helping to keep the mattress smelling fresh and clean. This is especially beneficial for individuals who are sensitive to smells or for mattresses that might be prone to absorbing odors over time.

#2 Moisture Management:

Active charcoal foam has moisture-wicking properties that can help regulate humidity levels in the mattress. It can absorb excess moisture and sweat, keeping the sleep surface dry and comfortable. This feature is especially valuable for individuals who tend to sleep hot or those living in humid climates.

#3 Allergen Reduction:

The porous structure of activated charcoal foam can also trap allergens like dust mites, pet dander, and pollen. This can be particularly beneficial for people with allergies or respiratory sensitivities, as it can help create a cleaner and healthier sleep environment.

#4 Temperature Regulation:

The thermal conductivity of activated carbon allows it to transfer heat away from the body, contributing to better temperature regulation. It can help dissipate excess body heat, providing a cooler sleep surface for a more comfortable night's rest.

#5 Durable and Long-Lasting Mattress:

Active charcoal foam is known for its durability and resilience. It can withstand compression and maintain its shape and performance over an extended period, leading to a longer-lasting mattress.

#6 Eco-Friendly:

Made from natural and sustainable materials, active charcoal foams are an eco-friendly choice for environmentally conscious consumers. We use these foams in our products, highlighting our commitment to sustainability and the environment.

#7 Hypoallergenic Properties:

Activated charcoal foam is generally hypoallergenic, making it suitable for individuals with sensitive skin or allergies.

Active charcoal foam provides several valuable benefits, including odor control, moisture management, allergen reduction, and temperature regulation, making it a compelling option for individuals looking for enhanced comfort and a healthier sleep environment.

Flexible Polyurethane (PU) Open Cell Foam

PU foam stands for Polyurethane foam. Polyurethane foam is created by reacting two main components: polyol (a type of alcohol) and diisocyanate (a type of reactive chemical). During the chemical reaction, the mixture expands and forms a foam with an open-cell or closed-cell structure, depending on the manufacturing process and desired characteristics.

It has an open-cell structure, which allows air and moisture to flow through the foam, making it cool, soft and comfortable. Flexible PU foam is known for its resilience and ability to regain its shape after compression.

Mattress Pocketed Springs

This is the final major component of of our hybrid mattress construction.

Pocketed springs, also known as encased coils or individually wrapped coils, work independently of each other to provide targeted support and motion isolation. We wrap each coil in a fabric pocket, typically made of a durable non-woven material or fabric, to keep them separate from one another. This design allows the coils to move independently, ensuring a comfortable and undisturbed sleep experience.This pocketing ensures that the coils can move independently and respond to the body's pressure and movement.

Pocketed Spring Mattress

The fabric pockets are then joined together using a combination of adhesives, stitching, or heat bonding, depending on the manufacturer's construction method. This keeps the pocketed springs in place and maintains the structural integrity of the mattress.

The benefits of pocketed springs and their separation through fabric pockets include:

#1 Mattress Motion Isolation:

Because each coil is wrapped individually, they can move independently of one another. This minimizes motion transfer across the mattress, making pocketed coil mattresses an excellent choice for couples or individuals who are sensitive to movements during sleep.

#2 Targeted Support:

Each pocketed spring can respond individually to the pressure applied, contouring to the body's curves and providing targeted support to different areas.

#3 Reduced Noise:

The fabric pockets help reduce the noise produced by the springs, making pocketed coil mattresses generally quieter compared to traditional innerspring mattresses.

#4 Enhanced Durability:

The fabric pockets protect the coils from rubbing against each other, reducing wear and tear, and contributing to the mattress's overall longevity.

#5 Stability and Comfort:

The separation of the coils prevents them from shifting or bunching together, ensuring a stable and comfortable sleep surface.

Edge Foam Support

Our mattresses have reinforced outer edges. It is a construction that prevents the edge of the mattress from collapsing or sagging. This feature is particularly important for several reasons:

#1 Improved Durability:

Edge support foam helps to reinforce the perimeter of the mattress, making it more durable over time. It prevents premature wear and tear, which can occur due to sitting or sleeping on the edge of the bed.

#2 Enhanced Mattress Sleep Surface:

Having a stable and supportive edge allows you to use the full surface area of the mattress for sleeping. You can sit or sleep comfortably near the edge without feeling like you might roll off or experience a lack of support.

#3 Ease of Getting In and Out:

A mattress with sturdy edge support makes it easier to get in and out of bed. You can use the mattress edges as support when sitting on the bed, which can be especially helpful for people with mobility issues.

#4 Motion Isolation:

Edge support can also contribute to better motion isolation. A reinforced edge can reduce motion transfer, ensuring that any movement on one side of the mattress doesn't disturb the other side.

Conclusion

Inkagu's hybrid mattress is a true testament to thoughtful engineering and innovation in the world of sleep technology. By skillfully combining air gel foam, activated charcoal memory foam, and pocketed springs, Inkagu has crafted a mattress that transcends the ordinary and embraces the extraordinary. The mattress's unique blend of cooling properties, odor absorption, targeted support, and motion isolation creates an unparalleled sleep experience that caters to the diverse needs of individual sleepers. With Inkagu's hybrid mattress, customers can rest assured that they are investing in a product that goes beyond the sum of its parts, offering a superior and rejuvenating rest every night.

Top 10 Mattress Questions

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Your bed is more than just a place to sleep – it's where you connect with your lover and experience the ultimate intimacy. To achieve the best sex of your life, it's essential to have a quality mattress with the right features that cater to your needs. From the perfect balance of firmness to the gentle bounce and motion isolation, every detail of your mattress can make a difference in enhancing the pleasure and ecstasy of the experience. Let your bed become the ultimate sanctuary for your love and passion with a mattress that's tailored to your desires. Here are 10 of the must have features.
Hey there, folks! Today we're talking about the top 10 things that can stain your mattress. And let me tell you, these mattress stains are no laughing matter - except when they are! We're going to go through each one of these potential mattress-ruiners. So I'll give you my take on them in true Picket&Rail style. So hold onto your pillows, folks, it's about to get wild. Don't stain yourself.
Many mattresses manufactured over the last two decades may actually be bad for you. The western way to health has been typically to "target and destroy" the "bad". This sometimes mean choosing the lesser of two evils. Many old mattress contains copious amounts of chemicals to produce key features such as "Anti-Static" and "Anti-Dust Mite".

Comfort is undoubtedly the most critical factor to consider when selecting a mattress. A comfortable mattress provides adequate support and cushioning for your body, helping to alleviate discomfort and promote a good night's sleep. When shopping for a new mattress, it is essential to take the time to test out various models to find the right level of comfort for your needs.