Headcovers Unlimited 100% Cotton Beret - Hats Cancer Patients, Chemotherapy Hats, Chemo Caps, Alopecia, Hair Loss Made from soft, 100% cotton for a comfortable feel. Features SPF 50 sun protection. Offers total head coverage for women with hair loss due to cancer, chemo, or alopecia. A timeless look offering a sophisticated feel. Great for sensitive scalps because it won't itch or scratch.