Mattresses

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Standard Futon Mattress - Firm Cotton Support - Karup Design - That Cool LivingStandard Futon Mattress - Firm Cotton Support - Karup Design - That Cool Living

Standard Futon Mattress

¥90,909 JPY ¥165,859 JPY
Comfort Futon Mattress – Premium Memory Foam Support - Karup Design - That Cool LivingComfort Futon Mattress – Premium Memory Foam Support - Karup Design - That Cool Living

Comfort Futon Mattress

¥102,559 JPY ¥169,539 JPY
Supreme Mattress - THAT COOL LIVING Supreme Mattress - THAT COOL LIVING

Supreme Mattress

¥111,400 JPY ¥247,700 JPY
Traditional Futon Mattress - Firm Cotton Comfort - Karup Design - That Cool LivingTraditional Futon - THAT COOL LIVING

Traditional Futon Mattress

¥98,879 JPY ¥157,159 JPY
Sandwich Futon Mattress - Thick Latex Foam & Coco Fibre Core - Karup Design - That Cool LivingSandwich Futon Mattress - Thick Latex Foam & Coco Fibre Core - Karup Design - That Cool Living

Sandwich Futon Mattress

¥176,169 JPY ¥320,329 JPY
Comfort Mattress - THAT COOL LIVING Comfort Mattress - THAT COOL LIVING

Comfort Mattress

¥74,200 JPY ¥163,400 JPY
Premium Futon Mattress - Customizable Natural Comfort - Karup Design - That Cool LivingCoco Futon Mattress - Medium-Soft Comfort - Natural Cotton and Coconut Fiber Core - Karup Design - That Cool Living

Coco Futon Mattress

¥135,069 JPY ¥211,749 JPY
Double Latex Futon Mattress – Premium Comfort and Support - Karup Design - That Cool LivingDouble Latex Futon Mattress – Premium Comfort and Support - Karup Design - That Cool Living

Double Latex Futon Mattress

¥193,349 JPY ¥336,269 JPY
Standard Mattress - THAT COOL LIVING Standard Mattress - THAT COOL LIVING

Standard Mattress

¥61,800 JPY ¥138,700 JPY

Mattresses

Sleep makes up nearly half of our lives. It restores, repairs, and recalibrates. These mattresses are made with care, not gimmicks, firm where they need to be, soft where it counts. Just considered support for the quietest part of your day.

Global destination for curated design and lifestyle

That Cool Living curates timeless furniture, lighting, and home accessories alongside refined lifestyle objects that bring depth and individuality into daily living. Each piece is carefully selected for its craftsmanship, character, and enduring style. From sculptural seating and statement lighting to artisan-made ceramics, textiles, and lifestyle goods, That Cool Living highlights design that blends function with meaning. Our vision is to offer products that inspire, resonate beyond trends, and become part of a considered way of life. With worldwide shipping and a network of leading designers and independent studios, we serve discerning customers seeking interiors and lifestyle pieces that reflect their personal world with purpose and distinction.