Outdoor Research Huron Low Neck Gaiter 100% Nylon Imported Fabric Performance: Waterproof, Breathable, Abrasion-Resistant, Insulated Neoprene lower Design Features: Durable Bio Thane Instep Strap, Neoprene Lower Covers Toe Functional Details: Hook/Loop Front Closure, Molded Boot Section, Drawcord Cinch Top Lightweight and Durable BioThane Instep Strap Neoprene Lower Covers Toe Waterproof and breathable Hook/Loop-Covered Zipper Closure Insulated Neoprene Lower