Lightweight and comfortable, the All Out Blaze Vent Mid Waterproof Hiking Boot delivers impeccable performance. The lace-up closure ensures an adjustable and secure fit. Equipped with the Unifly midsole, it offers excellent stability while walking. It has a molded TPU external heel counter, which promotes your natural stride. Finished with the Vibram TC5+ outsole, it keeps you sure-footed on a variety of surfaces. The M Select DRY technology wicks off excess moisture and maintains an odor-free inner environment. Waterproof leather and mesh upper Molded TPU external heel counter for added stability Bellows tongue keeps out debris Breathable mesh lining Soft E-Foam Midsole, I-Tech harder top sheet 5.5mm drop/14mm heel cushion/8.5mm forefoot cushion Vibram TC5+ outsole Hollowed lugs for lightness 5mm lug depth.