A snug skull cap made of our soft, midweight performance fabric. Best known for insulating under helmets and wicking sweat, it&';s a must-have in work, gym, and ski bags. Specifications Fabric Type: Single-layer Comfort Shell(TM) Classic, Double-layer at ears Fabric Content: 61% Polyester/31% Recycled Polyester/8% Spandex Fit Type: Fitted Weight: 1.1 oz Dimensions: One Size - 9.75" (W) x 7.5" (L); X-Large - 10.25" (W) x 7.5" (L) Country of Origin: Mexico