This unique, ultralight Louis Garneau Arm Cooler provides cool relief and UV protection on hot summer days. Icefil fabric's xylitol surface treatment absorbs heat from the body, converting sweat to a refrigerant to cool the body. Excellent stretch provides free-motion comfort, while silicone gripper at the biceps holds the arm cooler in place. UPF/SPF 50 protection. Reflective accents.