Size: FREE Material: 50% Cotton, 50% Acrylic Color: Black This is a Standard California original watch cap that can be used all year round. It has a basic 1x1 rib body and uses cotton-acrylic yarn with excellent sweat absorption and deodorizing properties. While it has a solid feel, the material is soft and provides a comfortable fit. It features a simple design with the outdoor line logo name. It's comfortable to wear for long periods.