Danner Desert TFX G3 8IN 400G Insulated GTX Boot - Men's Leather Importado Shaft measures approximately 8" from arch Durable, rough-out leather upper with rugged and lightweight 1000 denier nylon Available with thinsulate ultra insulation Variable lacing system and lace garage for secure, glove-like fit 100 Waterproof and breathable Gore-Tex lining Danner TFX-8 platform is the lightest weight and most versatile TFX construction, featuring a cross-stitch design which provides added durability and stability in the lateral toe and medial heel pivot zones