MS Awareness Month Sale

Buy UnderCool 3.0 Now. 

Save $25.

Improved shoulder straps, more breathable mesh, updated sizing.

Contoured to fit your body, lightweight and breathable, UnderCool will keep you cool under any condition without cramping your style.


Undercool 3.0


$199.99 $174.99

everything you need to get started

Festival 3.0 Bundles


$269.99 $244.99

extend your cooling time

Adventure 3.0 Bundles


$359.99 $334.99

chose both colors & skip laundry day




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.