What Our Gearhead(R) Experts Are Saying:"This cap fits perfectly under my helmet and keeps my ears warm without overheating. The Windtex panels block the wind on chilly rides, and it stays in place even on long climbs."We like the Skull Cap with Ear Covers for those cold-weather rides where a helmet alone isn't enough. The low-profile design slips comfortably under a cycling helmet, providing lightweight insulation up top and targeted warmth for the ears. A three-layer Windtex material in the ear flaps blocks wind while adding insulation, keeping us comfortable without trapping excess heat. It's the kind of small but essential piece that makes winter riding far more enjoyable.