Confidence, comfort and freedom through cooling. Introducing Undercool, the revolutionary cooling vest that’s lightweight, invisible and meticulously designed for extreme comfort and freedom of movement.

this is what cool feels like.

you deserve to be
the coolest you

At ThermApparel, you're our motivation. And we're ready to help keep you cool wherever you go. Liberate yourself from the burden of bulky cooling vests and take on all life has to offer

learn more

not all cooling vests are created equal.

But we’ve got you covered.
Breathable wicking fabric, fully adjustable straps and cooling packs that conform to your body for maximum cooling. Plus, it all weighs under two pounds.
Cool, right?

learn more

Questions about our vests or shipping? Reach out to the ThermApparel team toll-free at 855-232-7233, write to us through our website’s contact form or chat with us via live chat. We always respond because, otherwise, that wouldn't be cool.