Louis Garneau LS-100 Mountain Bike Shoe - Size: 46 - BLACK Ergo Grip 2 outsole with removable studs: Provide excellent traction for walking BOA L4 single rail quick attach system and forefoot velcro closure HRS-90 with 0.4 mm membrane: Maintains heel positioning and reduces loss of power Single density EVA insole: Enhances comfort Thermoplastic toe protection