B00P3D17NS DonJoy Sully Shoulder Support – Black – Medium

The most convenient and innovative acromioclavicular (ac) joint protector ever designed, allowing for full range of motion The breathable, hook-sensitive neoprene vest grips the skin to allow precise placement of the donut-shaped foam pad This hard shell foam pad helps to protect the ac joint from further injury Measurement taken at chest circumference, medium 38″ – 42″ Universal fit allows the support to be worn on either the left or the right shoulder