PROTECTIVE TECHNOLOGY: Elastic Compression Strap secures and supports wrist, adjustable for quick on and off Universal design is compatible with either left hand or right hand Rubber Finger Bumper covering the top of the fingers, a rubber bumper fortifies the sliding mitt when contacting a base Channels along Palm and Backhand separates the protective shields, allowing for improved dexterity to hook the base Thumb Hole Cover, cloth material on the interior covers the thumb hole, improving comfort when wearing with your thumb inside the mitt Wrist Stabilizing Strap has stiff reinforcements on both sides of the wrist to keep the hand secure ADDITIONAL DETAILS: EvoShield will donate 10% of the purchase price of all Love The Moment products to Autism Speaks with a minimum donation from the Wilson Family of brands of $150,000 each year in support Autism Speaks' mission, which is to create an inclusive world for all individuals with autism throughout their lifespan. One Size Fits Most