Trekmates\\\' Brinzlea GTX Trapper Cap is a warm GORE-TEX trapper cap with a sherpa fleece lining that offers waterproof, windproof and breathable protection. Features:- Durable polyamide fabric with water-resistant finish- GORE-TEX insert is durably waterproof, windproof and breathable- Sherpa fleece lining- Triple-fold peak makes it easier to stow away when not in use- 40gm2insulation for warmth- Cord adjuster at back of hat for secure fit. Outer: 100% Polyamide, Lining: 100% Polyester, Insert: 62% ePTFE, 38% Polyamide, Inside peak: 100% PolyethyleneGORE-TEX® Technology - a high-quality fabric used for outerwear, guaranteed to be waterproof, breathable and windproof. The fabric membrane allows perspiration out, but keeps water outWater-resistant - Treated with durable water repellent (DWR), droplets will bead and roll off the fabric. Ideal for Light rain, or limited exposure to rain