Skull Cap Hats for men, Winter hats for women, Skully Winter Skull Hat Skulls Skull Design Snow Cap Hat Beanie Grailed Unisex Winter Warm Hat Unisex Skull Caps Casual Knit Hats JDHW082272 Men's Fleece Thermal Skull Cap Warm Winter Hat with Ear Flaps Cold. A great offering for the winter accessory wall, the Louis Garneau Winter Skull Cap uses a perfectly balanced Supra WindDry fabric that does a great job of keeping the cold out and the heat in. Louis Garneau has thrown in an opening in the back for a ponytail and reflective elements to make this one of the most versatile pieces of winter headwear out there. Material Supra WindDry 4 way stretch 3 ply softshell with breathable, windproof and warmth properties Details Ponytail opening at the back Reflective accent Perforated