The Featherlite™ Mountain Cap is windproof, warm and exceptionally lightweight. Constructed with windproof and fast drying PERTEX Microlight Cross Rip-stop, filled with PRIMALOFT ECO 40g, it provides the perfect balance between warm insulation and over-heating whilst working hard. This cap can be easily stored in the pack when not needed. this is a fast drying cap packed with insulation technology to keep you warm. With a stiffened peak this cap ensures your vision is enhanced in the worst of weather.