Ski Mask Heat-Reactive Color-Changing Breathable Helmet-Friendly

✔ Color changes with warmth: Heat-reactive dye changes from blue to green where the mask warms from breath, skin, or hands, then returns to blue as it cools. The reversible effect works repeatedly, creating a changing gradient in cold conditions.

✔ Blocks cold wind without getting sweaty: Covers the head, face, and neck to help block cold wind on the lift. The breathable fabric provides coverage without trapping excess heat and sweat.

✔ Fits under helmets and goggles: Thin, stretchy fabric sits flat under ski and snowboard helmets. The wide eye opening fits standard goggles without pressure points, while the one-size stretch fits most teens and adults.

Fabric treatment: Heat-reactive dye

Color-change temperature: Around body temperature; color returns as the fabric cools

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

Helmet and goggle compatibility: Thin, stretchy construction; wide eye opening fits standard goggles