Combat arthritis pain with the compression and warming insulation of Thermoskin Arthritis Gloves. Thermoskin technology and soft Trioxin lining is clinically tested to actually raise the temperature of your skin and muscles. This increased warmth along with healthy targeted compression counteracts tissue swelling, increases blood flow, improves muscle elasticity and reactivity and even encourages healing. Moisture-wicking ventilation and an adjustable wrist make these gloves comfortable and wearable day after day. Hand wash. Small fits 7–7 3/4", Medium 8–9", Large 9 1/4–10 1/2" and X-Large 10 3/4–11 1/2". Measure the circumference of the hand around the knuckle.