Our advanced fabric traps body moisture, transforming it to heat, even while you’re sitting still. It's comfortable, too—layer this heat-generating underwear under jeans or corduroys for warm winter style.
Size & Fit
Fitted: Sits close to the body.
Fabric & Care
48% acrylic/28% Tencel/19% polyester/5% spandex.
Machine wash and dry.
Advanced fabric traps body heat and keeps you up to 7 degrees warmer.