The Redline Low Profile Lace Up Hidden Sleeve (6521) is made of very durable jute material. Padded on the inside with a rubber inlay and a felt layer so it is comfortable to wear, maintains a low profile and still offers excellent protection. The shape of the sleeve presents dogs with opportunity for a full, firm, grip. Perfect for Police K-9 trials and meets the USPCA trial size requirements.This sleeve is ambidextrous so it can be easily worn on either arm. It has a slight bend in the elbow for a natural fit and comes with a built in gauntlet available in soft or firm. This sleeve is a short type, so the hand is outside of the arm. The full length laces allow for the perfect fit! Available in soft or firm.