FIFTY ONE APPAREL

How it works

Our technology

Our stylish collection of menopause daywear, nightwear and loungewear are created with Certified Space Technology™, developed by NASA, to keep you cool through every occasion. 

The NASA technology behind 51 Apparel

Our clothing uses Outlast® technology, which is a phase change material that is continuously working to absorb and release excess heat. Because it’s constantly absorbing, storing and releasing heat, the material keeps you at just the right temperature, no matter what you’re doing.

The fabric we use is made up of Thermocules™, which are tiny polymer shells in which the Outlast® phase change materials are enclosed. This encapsulation process makes the ThermoculesTM durable and allows our clothing to regulate your skin’s microclimate.

Think of it like ice cubes in a drink. As the ice cubes melt, they absorb heat and cool the drink — keeping it at the temperature you wanted, for longer. Our material does the same thing.

How it keeps you cool during a hot flush

Hot flushes and night sweats shouldn’t stop you from enjoying life — so don’t let them. Our stylish collection of menopause day, lounge and nightwear keeps you cool no matter how hot you get. You should never be held back by your menopause symptoms, so all our clothes have been designed to be worn at home or the office, to bed or at the gym. It’s up to you.   

And combats the post-flush chills

As your body cools back down after a flush, the fabric will slowly release the excess heat it stored when your body was heating up. This cyclical system allows you to enjoy a stable, constant temperature and keeps you cool and dry, day and night. 

Outlast® technology

Learn more about how our technology works.

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What makes 51 different?

Whereas many other performance materials use the wicking mechanism to draw away your sweat, we manage heat and control the production of moisture before it has even begun. We’re the only menopause clothing brand out there using this kind of technology in our clothing. 

Our expertise, coupled with Outlast® technology, is what makes our menopause clothing the best around. Whether you’re going through early, peri- or post-menopause symptoms, you can be confident in the knowledge that your 51 Apparel clothes can — and will — help you sail through it.