Ski Mask Heat-Reactive Color-Changing Wind-Blocking Breathable

✔ Color changes with warmth: Heat-reactive dye shifts from blue to green where the fabric warms from breath, skin, or hands, then returns to blue as it cools. The reversible change works repeatedly; gentle hand-washing in cold water helps maintain it.

✔ Blocks wind without getting sweaty: Coverage for the head, face, and neck helps block cold wind on the lift, while breathable fabric helps prevent a sweaty feel.

✔ Fits under helmets and goggles: Thin, stretchy fabric sits flat under ski or snowboard helmets, and the wide eye opening fits standard goggles without pressure points. One size stretches to fit most teens and adults.

Color-change mechanism: Heat-reactive dye changes color when warmed and returns to its original color when cooled

Color-change temperature: Around body temperature

Size: One size; stretch fit for most teens and adults

Equipment compatibility: Fits under ski and snowboard helmets; eye opening fits standard goggles