Under Armour Women's Valsetz Rts Military and Tactical Boot Synthetic, Textile Imported Rubber sole Shaft measures approximately 5.5" from arch UA ClutchFit technology wraps your ankle with a lightweight "second skin" for powerful support & incredible feel Synthetic leather & textile upper with welded, abrasion-resistant film around the perimeter of the foot Water-resistant upper for all-weather wear Full-length UA Micro G foam turns cushioned landings into explosive takeoffs Lightweight TPU shank for mid-foot support