The Hyper-flex material is one of the most elastic materials on the planet. Spiky Glove molds to fit nearly any size hand from children to adults. The spikes give this glove a definite tough-looking edge, but the material is actually very soft and smooth and extremely comfortable to wear. The palm side of the gloves has some ridges for improved grip. These spiky gloves are designed to fit either the right or left hand. Hand-washable.