The Indy range of protectors are the ideal choice for trail and enduro where they provide maximum freedom of movement with quality protection. New fit with a drawstring around the calf and a silicone band around the thigh.from motocross to road racing bikes, the proven technology of the removable D3O smart foam ensures plenty of safety with light weight.the entire protector is made of lightweight T5 Evo material for maximum comfort and breathability. Size table of protectors. Adjustment:Upper calf strap with Velcro construction:Sleeveless Pull-on design Protector:D3O Ventilation:Breathable back panel