Under Armour Men's Burnt River Hiking Boot, Stealth Gray/Moccasin/Sandstorm Textile, Synthetic Imported Rubber sole Shaft measures approximately ankle-high from arch Lightweight breathable mesh upper with protective scratch rubber overlay Comfortable sock-like fit with function of a fully gusseted boot Closed cell collar minimizes debris entry Scratch rubber wrap in heel for durability Lightweight EVA midsole for optimal cushioning