The Vism Ballistic Helmet Level IIIA is made of full ballistic shell constructed of Kevlar. Rated at Level IIIA. Capable of stopping 9mm and .44 Magnum rounds up to 1,400 FPS. Includes four-point retention system and suspension system for added comfort and stability. Fully adjustable for the perfect fit.FeaturesBallistic helmet carry bagCarry strapsShoulder strapID holderMOLLE strapsSizingSize Large: Size: 22.0" - 22.8" (56cm - 58cm);Weight: 51.1 oz. (1.45 kg)Size XL: Size: 22.8"- 23.6" (58 cm x 60 cm)Weight: 54.6oz (1.55kg)