Columbia Boys' Y Core Mitten Dobby Rainwear WR: 100% Nylon; 75% Polyester, 25% Polyurethane; Chamois Touch Tricot: 100% Polyester; 100% Polyester Adjustable closure Machine Wash Omni-shield advanced repellency Waterproof/breathable bladder Hook and loop adjustment Elastic at wrist Abrasion resistant palm