FIT & DESIGN: Ultra-thin, wicking hood with cozy, technical fleece neck warmer Thin Thermax(R) balaclava provides dry, wicking warmth that's ideal for a long day on the slopes Polartec(R) fleece neck-up for added warmth Flat seam construction for increased durability 4-in-1 helmet liner, balaclava, scarf, and neck-up