Micro Fiber vibram sole Shaft measures approximately 7.87 inches from arch Attention:This model is providing snuggy fitting, if you have wide feet or prefer relaxed fitting, please order larger size.【Lightweight, Dynamic and Super Breathable】Mountain hiking shoe with ROOF-TEX Comfort membrane，developed for long-distance off-road routes even in the winter months. Vibram white outsoles have lighter weight than rubber and with obvious trail bite heel for better braking 【Durable for Four-Season Use】Mountain hiking shoe in Micro fiber, perfect for use on desert walks and mountain walks even over long distances. The ROOF-TEX membrane lining allows sweat to escape but not water to enter, making it ideal for four seasons hiking. 【Prefect wearing comfort】Perfect volume adjustment and foot wrapping thanks to the particular lacing system. The boots available in a wide-fit comfort dedicated to hikers with wide feet. 【Appearance from a Well-Known Designer】These shoes have been finely designed for 180 days before release, and we use our best patience to give our customers the best products. We support wearing it certainly have a different feeling. 【Return Policy Worry Free】If you are not satisfied with our boots, please find our rockrooster customer service through the order before complaining our return policy. We can provide you free exchange in one year if the boots have any problems.