The all new JetSpeed FT350 shin guards were developed to be extremely lightweight and offer excellent freedom of movement, without compromising protection. Features: Lightweight shell design and hinge system for improved mobility and protection. PE foam with laminated fabrics for good protection. Anatomical shin caps with vented knee caps. PE foam for a high level of protection. Nylon upper lock strap and wide elastic calf strap for a comfortable and easy adjustment. PE Foam and removable liner for a custom, easy fit!