The slim fit and durability of a running shoe makes the Gauge BOA Mountain Bike Shoe a versatile and comfortable choice for a day or week on the trail.. The sporty design of this shoe provides breathability without sacrificing durability so our feet remain protected on bushy trails and slippery cycling terrain. Heel and toe reinforced with Rockprint material providing resistance to abrasion in those areas where it is needed most. And underfoot, flexible EVA material is reinforced with a nylon rod , which allows you to combine power and comfort.