Buy Caps and Hats Doo-Rag Assorted Motorcycle Skull Cap Set Cotton Do-Bandana Chemo Helmet Liner Cotton SET of 5 Solid Color bandana-wraps Black, White, Pink, Yellow and Kelly Green, includes a Buy Caps and Hat Bumper Sticker. Breathable Cotton fabric provides head and hair protection from dirt, dust, debris during activities. Lightweight to fit under, but adds extra cushioning under cap, hat or helmet to absorb sweat and moisture. Keeps hair out of face when working out, riding, cooking, working, cleaning, during sports and other activities. Small neck flap helps prevent sun, wind and helmet burn. Self-tie, adjustable, one size fits many men, women and some youth.