Mountain Equipment's Drilite Cap is lightweight and completely waterproof, designed to keep you protected during mountain walking, trekking, running, and mountaineering in any weather. Features 3-layer DRILITE 50D fabric is waterproof and highly breathable with PFAS-free DWR Fully taped seams to guarantee waterproofness Tricot knit lined headband provides all-day comfort and wicks moisture Rear strap adjustment for a secure, customised fit Specifications Weight 50 g Composition 100% Recycled Polyester outer / inner, 75% Recycled Polyester Membrane Colours Black, Admiral Blue Sizes One Size Technology Drilite+ is Mountain Equipment's high-performance, fully waterproof, breathable, and durable membrane technology, offering exceptional protection and comfort for all-day, all-weather mountain activities. Mountain Equipment is a member of the Fair Wear Foundation, an independent, non-profit organisation that works with brands and factories to improve working conditions for garment workers.