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