PRE-ORDER WHITE Extra UnderCool Vest


PRE-ORDER WHITE Extra UnderCool Vest


PRE-ORDER a white UnderCool and receive it by early June!

UnderCool is the first cooling garment made with discretion in mind.  Stay cool and look it too! This option does not have any cooling packs, but if you need a second vest this is the spot!

Please view our sizing guide below.

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Finally a lightweight, comfortable, and discrete cooling solution made just for you!

This purchase includes:

  • 1 UnderCool garment

Don't forget to purchase some of our cooling packs for maximum cooling relief!

The UnderCool Vest features:

  • Adjustable straps and a velcro front for the best fit and comfort
  • Wicking fabrics and built-in mesh panels to keep you dry and comfortable
  • 4 pockets along back
  • 30-day money back guaranteed

Please review our sizing chart below to ensure the best fit for your UnderCool:

Size Waist Length
Extra Small 24" - 28" 61 cm - 71 cm 15" 38 cm
Small 26" - 30" 66 cm - 76 cm 16" 41 cm
Medium 28" - 32" 71 cm - 81 cm 17" 43 cm
Large 32" - 38" 81 cm - 96 cm 19" 48 cm
Extra Large 40" - 45" 101 cm - 114 cm 19" 48 cm

*Quick Reference Sizing Guide: ThermApparel recommends ordering a size smaller than your usual T-shirt size. (If wear a large T-shirt, a Medium UnderCool will fit best.)

Other Resources:

Please review our Return and Exchange Policy here and our Warranty Policy here.

Disclaimer: Consult your doctor or health care professional prior to using this or any cooling products for a medical condition. ThermApparel LLC will not be liable for injuries or damages resulting from the misuse or misapplication of our products.