Turtle Fur - Comfort Shell Totally Tubular Lightweight Neck Warmer, Ambush Size One Size Size: Adult, One Size fits most. Also fits Juniors and Teens Single-layer Comfort Shell Lightweight Performance Fabric - 92% Polyester, 8% Spandex UPF 50+ Sun Protection - Blocks 97% of UV Rays 4-Way Stretch Multi-Functional Headwear - Over 10 ways to wear Perfect for skiing, snowboarding, snowshoeing, running, hiking, camping and an active lifestyle.