Israel Catalog Concealed Level IIIA Bulletproof Vest Undershirt An incredibly comfortable blend of cotton and lycra, this Bullet Proof Vest is ultra concealed underneath a shirt or jacket - giving you a protection level of 3A with comfort and convenience. This excellent bullet proof vest is made up of a combination of ballistic materials that make it both thin and light to wear. This is all encased in a cotton lycra fabric that makes it comfortable to wear under your shirt or jacket. The ergonomic shape provides protection with ease of movement, and conceals itself naturally. The vest can be worn for as long as necessary, and protects the torso in the front as well as the back.  Each product is tested rigorously according to the high standards of NIJ Std , IDF Mil-spec , US Mil-std , DIN, NFPA, ASTM, EN and more. Features and Benefits: Cotton lycra fabric shell for extra comfort Double and flexible waist strap for maximum stability Long adjustable shoulders straps : 7-30 cm / 2.7-11.8 inch adjustment , covered with soft fabric for comfort Removable vest shell, suitable for washing machine Super light :  average of 1.5 kg / 3.3 pounds Super thin : only 6 mm / 0.23 inch Very Flexible for body adjustment Front , back and side protection Polyethylene Protection level 3A, NIJ0101.04, 9 MM m Protecting area: 0.32 cm2 Protection against  9mm bullets at a velocity of 438 m/s (1,400 ft/s) or less, also against 9 mm full metal jacketed bullets 8.0 g (124 gr.) impacting at a velocity of 438 m/s (1,400 ft./s) or less. It also provides protection against the threats mentioned in [Types I, IIA, II].