Thermoskin Wrist Thumb Sleeve contains the exclusive Trioxon lining for clinically proven heat therapy. Thin Stretch memory foam contours to the thumb for easy application and comfort. Thermoskin Wrist Thumb Sleeve combines low level, long duration warmth with compression to assist blood flow, provide pain relief and assist in recovery. The outer layer is textured to provide additional grip. Universal design fits right or left hand. Sizing Guide: Measure the circumference around the knuckles. Small 7 - 7 3/4. Medium 8 - 9. Large 9 1/4 - 10 1/2. X-Large 10 3/4 - 11 1/2. XX-Large 11 3/4+. If in doubt on sizing for this product it is generally best to select the larger size.

Wrist Thumb Sleeve Instructions: Slide thumb sleeve onto hand and adjust to fit comfortably.

Do not wear within the first 72 hours following an acute injury. This product contains a synthetic fiber which may cause allergic reactions. Should an irritation or rash develop, discontinue use and seek medical advice. If pain persists, discontinue use and consult your medical professional.