Shop Mens

Buy UnderCool 3.0 Now.

Improved shoulder straps, more breathable mesh, updated sizing.

Built to keep you cool when the heat is on.
UnderCool's low profile and high performance lets
you go the distance and look cool doing it.

Undercool 3.0

$199.99

everything you need to get started

Festival 3.0 Bundles

$269.99

extend your cooling time

Save $37

Men's 3.0 UnderCool cooling vest festival bundle

Save $37

Adventure 3.0 Bundles

$359.99

chose both colors & skip laundry day

Save $40

Men's 3.0 UnderCool cooling vest adventure bundle

Save $40

Accessories

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.

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Shop Mens

Buy UnderCool 3.0 Now.

Improved shoulder straps, more breathable mesh, updated sizing.

Built to keep you cool when the heat is on. UnderCool's low profile and high performance lets you go the distance and look cool doing it.

Built to keep you cool when the heat is on.
UnderCool's low profile and high performance lets
you go the distance and look cool doing it.