Keep your head warm on the coldest ride daysDuring cold days on the trail, one of the easiest ways to lose body warmth is through an uncovered head. This is why we designed the Polartec® Skull Cap. An essential piece of all-weather riding gear, this cap was designed to fit under your MTB helmet. The minimal yet durable Polartec® material provides excellent warmth with a comfortable fit to help keep your temperature regulated on cold ride days. Designed with Polartec® fabric to keep your head warm on the coldest days on the bikePolartec® fabric actively regulates heat to keep you warm and dryMinimalist design fits under most MTB helmets