Headcovers Unlimited Cotton Beanies | All Cotton Snuggle Beanie Cap | Cancer & Chemo Hat Made from 100% softly knit cotton for a lightweight, comfortable feel. Provides total head coverage, ideal for those women with hair loss due to cancer, chemo, alopecia, or other types of medical hair loss. SPF 50 protection is built right into the fabric of this cap for protection from the sun's damaging rays. The roll around the edge of this cap offers a secure fit and feel. It's soft fabric doesn't itch or scratch, nor does it have any harsh seams to irritate the scalp.