Shoulder Pain Recovery: Shoulder support provides protection. Increased blood flow to relieve shoulder pain. Including frozen shoulders, dislocated shoulders, rheumatic pains, tearing muscles or ligaments, etc. For surgical injuries, shoulder support can provide the supportive effect, stabilizing your arm and shoulder.ADJUSTABLE: The tendinitis shoulder brace has a hook and loop strap that can be adjusted to suit the user"s body shape and size, while staying in place. Our shoulder brace is easy to put on. You just need to remove the straps. Place the arm in the shoulder support and bring the bands around your back and under your chest and hook them. It can be worn under or over your clothes. Breathable Neoprene: Our product is made of high quality neoprene. Breathable and lightweight. Clean and odorless. Professional routing makes our product stronger. Shoulder straps have ventilation holes inside, breathable and promote blood circulation. Arm Circumference: 9.8""-16.5"". Chest size : 31" - 42.5". Measure your bust from the armpit. EASY TO WASH: This fabric can withstand machine washing. We recommend that you wash it in cold water, using low-detergent products. Once washed, keep it extended to maintain the shape of the shoulder brace. Let it air dry to keep its original shape. Avoid the dryer which could damage your shoulder protector. Please note that at first, a slight smell of neoprene may come from this shoulder brace. Note: The Chlffua shoulder pad fully covers you on cold days. It offers great heat retention performance and skin-friendly experience.