Seirus Jr. Thick N Thin Headliner - Spacey Top: 90% Polyester/10% Spandex; Bottom: 100% Polyester Imported Thick N Thin Headliner uses technology from Seirus Innovation The TnT Headliner is a 4-in-1 product: Helmet Liner, Balaclava, Scarf, and Neck-Up Thin Thermax balaclava for dry wicking warmth Ultra-thin, wicking hood with cozy technical fleece neck warmer fits under any helmet Fleece neck-up provides extra warmth and protection from the elements Ultra-thin, wicking hood with cozy, technical fleece neck warmer Thin THERMAX balaclava for dry, wicking warmth Polartec Fleece neck-up for added warmth