Features of the Louis Garneau Men's Tri X-Speed III Shoe STD Fit: Roomier Fit offers more comfort for all-day riding Upper: Synthetic leather with toe protection provides comfort and durability Power Zone: Increased arch support and power transfer Closure System: Reversed velcro for easy adjustment and quick transitions Heel Retention: HRS-80 stabilizes heel Outsole: Patented injected nylon/fiberglass extremely ventilated Insole: Breathable, ventilated Transition: Special puller and main strap retention velcro pre-position shoe on the bike and speed transitions Safety: Heel reflector for increased visibility Cleats: Steel inserts Fit all major road and SPD pedals