100% WOOL FELT – Made from 100% soft, wool felt fabric. Durable with a functional finish. CRUSHABLE – You can pack it, smash it, pop it, and you’ll still be able to put it back into its original shape! WATER-REPELLENT – Wear it without worry on a light rainy or snowy weather. QUICK DRYING – Dri-Lex fabric band dries quickly, ideal for use during rain or shine. TOTAL BREATHABILITY – It boasts from Dri-lex fabric band that allows air to flow inside.