Light compression from this wrist splint helps reduce thumb and wrist pain associated with arthritis, tendinitis or repetitive motion.  Hand splints are made of a lightweight, perforated 1/16 in neoprene with a soft, terry cloth liner that helps keep skin cool and comfortable.  The Comfort Cool Arthritis Thumb Splint features a padded, contoured strap that supports the thumb while allowing full hand movement.  Hand wash and air dry.  To size, measure the palm circumference.