Bamboo Comfort Wide Headband - Wear Under Hats for Head Coverage - Cancer & Chemo Patients Black Silky soft bamboo fabric hugs your head with the ultimate in comfort Naturally wicking bamboo fabric makes hats more comfortable and cool Wear with shallow hats to extend the depth and provide full head coverage Ideal for cancer patients and women with hair loss. Reduce abrasion from scratchy hats Creates a tighter fit when hats are too large for small heads. Headwear sold separately.