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A strong blonde woman in a dark athletic top curls a grey dumbbell, showing a flexed bicep against a dark background. Logo for Thermapparel, featuring

ThermApparel

ThermApparel designed the UnderCool vest to disappear: a two-pound phase change cooling vest worn invisibly under everyday clothes, a life-changer for MS heat sensitivity, POTS, and anyone who needs cooling without conversation.

About ThermApparel

ThermApparel designed the UnderCool to disappear: under two pounds, hidden beneath everyday clothing, holding a steady 58 degrees, cooling for people who need relief without conversation.

Cooling for Heat-Sensitive Conditions

UnderCool is a frequent recommendation for MS, POTS, and other conditions where overheating triggers symptoms fast. See more options in cooling for MS.

Shop similar collections: Cooling for MS | Women's Cooling Vests | Phase Change Vests | Cooling for Menopause

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