OFFENSE OR DEFENSE: The new lightweight design and materials ensure you can keep it on all game. For Sizing Measure the Circumference of the wrist! SM: 5.25 - 6" MD: 6 - 6.75" LG: 6.75 - 7.5" XL: 7.5 - 8.25" Gel-to-Shell Technology Air activated material that transforms the guard from a malleable gel into a customized, form-fitting shield in 30 minutes Dispersion Technology For a personalized fit and maximum protection. Our guards fit right to your body, which allows for the most efficient protection possible. Engineered to mold smoothly around the intended area, objects deflect and disperse across the entirety of the guard. Custom Molding Gear All Gel-to-Shell® Technology products create a customized, one-to-one fit for the player. Hand Washable The shield is hand-washable, let air dry 3D Cloud Mesh Base material with raised surface and texture for enhanced appearance. Model Number- WB50225