New Mueller Diamond Pad 3 Pad Sleeveless Shirt, Black, Adult Small 34" 36" Small 34" 36":Black Hinge technology and a four point 26" L x 13" H x 13" W:Royal Black Hinge technology and a four point leverage system trains users to stay out of the "at risk" position through a dampening cycle of the hinge Compression and thermal heat regulation keeps you from overheating These easy on boots are warm and super streamlined staining and deterioration caused by bacteria and microorganisms High impact diamond padding Protects your ribs and lower spine from shocks and bumps during contact sports Provides constant compression and soothing warmth Lightweight and comfortable fabric allows for moisture and air to exchange through the garment Antimicrobial treatment protects the garment against odor