The Dooo-Rag is made from Sun Shell sun-protective, ultra lightweight moisture-wicking performance fabric. The 4-way stretch gives anti-microbial material a comfortable, sleek feel and he Dooo Rag features a back-tie head-wrap for a custom fit! Sun Shell sweat-wicking properties keep you dry, cool and comfortable riding through the season. UPF 50+ sun protection - blocks 97% of UV rays. Material: Polyester, Spandex.