The Vissco PRO Zeromotion Shoulder Immobilizer is designed to provide perfect immobilization to the shoulder joint. It is ergonomically designed to allow immobilization and reducing stress on the healing tissues. The shoulder straps allow for easy adjustment and prevent stress on the neck. The chess strap holds the arm and provides perfect immobilization.Skin Friendly , Easy Breathe, Rigid Support, Adjustable Support,Ergonomic Fit, Cotton Elastic ,Anti-Fungal .