Don’t lose sleep over plantar fasciitis pain! Thermoskin keeps skin warm, helping to stretch out the plantar fascia Speed up the healing process of plantar fasciitis with this soft, low-profile, slim fitting bootie from Swede-O. Wear this soft bootie when resting or overnight to stretch the plantar fascia. The Thermoskin Plantar FXT has a semi-rigid strap that pulls the toes upward and puts the foot into a slight dorsiflexion position. This gently stretches the plantar fascia so it may heal. The combination of the thermal properties that help reduce inflammation and the stretching of the plantar fascia while sleeping may aid in the treatment of Plantar Fasciitis. Sizing Guide by Shoe Size: XS for Men’s 3-5, Women’s 4-6; Small for Men’s 5 1/2-7, Women’s 6 1/2-9; Medium for Men’s 7 1/2-10, Women’s 9 1/2-11; Large for Men’s 10 1/2-12, Women’s 11 1/2-13; XL for Men’s 12 1/2-14, Women’s 13 1/2-15; XXL for men’s 14 1/2+, Women’s 15 1/2+