We know you'll want more than one! Add 3 Bamboo Liners to your cart and the 4th one is free! Or Mix & Match with our Chemo Headwear Essentials Collection. Cannot be combined with coupons or other offers Tired of hot itchy wigs? Our new Bamboo Wig and Hat Liner is the Rolls Royce of wig and hat liners for chemo patients! Independently tested and certified 50+ UPF for maximum sun protection on tender bald heads. So if you have a hat or scarf that does not have sun protection, this liner will protect your scalp from the sun.   Even though you would not wear this cap by itself, our new UPF certification means if you have a scarf or hat that does not have adequate sun protection, you can wear this liner underneath and know your tender bald head has full sun projection Heavenly soft bamboo wicks moisture from your head to keep you cool and comfortable during warm weather and hot flashes. Naturally antibacterial and antimicrobial. Wear under wigs, chemo caps, hats or headscarves. The only seam is on the outside so there's nothing to irritate your sensitive head. Stretches nicely to fit head sizes 21"-23.5". A must-have for cancer patients and women with alopecia and other medical hair loss. Hand crafted with care, available only from Hats, Scarves & More