Mountain Hardwear Unisex Dome Perignon Lite Hat M GRAY 100% Polyester Imported Windproof and breathable, with a fleece-lined ear band for comfort. Full ear coverage for warmth. Stretch fleece back panel creates a snug fit. Materials: Toasty Twill Fleece 275 g; Toasty Stripe Fleece 265 gm2 Weight: 2.1 oz. / 60 g