Ru9’s fabric materials are certified under the strict standards of OEKO-TEX®, ensuring absolute safety for users.
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Collection: NEW COOLING PRODUCTS – IceFlow™
A refreshing breeze for deeper sleep
IceFlow™
Upgrade your sleep experience
Instant cooling touch – sleep deeper every night
Dry and breathable, never sticky
Safe, durable, and built for everyday use
IceFlow™
Proprietary Cooling Fabric Technology
90% High-Performance Nylon
Improved nylon fibers make the material lighter, more breathable, and better at absorbing sweat.
10% Spandex
Material that provides excellent elasticity for pillowcases, helping them retain their shape, stay durable, and resist deformation.
Cooling index (Q-max): 0.35 (higher than the standard level)
Instant cooling effect of up to -2°C upon contact with the fabric surface
A comprehensive cooling solution for deeper sleep.
Instant Cool Touch Experience (Cold Touch)
Advanced heat-conducting fiber technology with a Q-max of 0.35 delivers a noticeably cool sensation from the very first touch, lowering the surface temperature by up to 2°C.
Reduces nighttime awakenings
Extends deep sleep duration
4-way stretch for flexible elasticity in all directions.
Advanced weaving technology combined with 10% Spandex helps the pillowcase maintain its original shape, preventing sagging, deformation, or pilling.
Superior breathability and fast-drying performance.
Superior breathability and fast-drying performance.
Dries faster than cotton
Higher elasticity than conventional fibers
Instant cooling effect of up to -2°C
Outstanding cooling index (Q-max)
Meticulously crafted design
Does not sag, stretch out, or pill even after multiple machine washes
All products from Ru9 meet international standards.
Ru9’s fabric materials are certified under the strict standards of OEKO-TEX®, ensuring absolute safety for users.
Upgraded packaging with meticulous design, making it suitable as a gift.
Flexible color palette
A wide range of color options to match every aesthetic preference and personal style.
Cooling combo
“Ru9 believes that the body has its own natural sleep rhythm.”
Built on the foundation of a cooling sensation, designed as a complete solution for deep sleep. From the moment you lie down until you wake up, the cooling product line helps reduce temperature instantly, maintain a dry and breathable feeling, making it ideal for hot sleepers and supporting naturally deeper sleep.