Shaft Height: Approx. 9'' Tall. The upper of this Rocky ErgoTuff work boot was assembled with full-grain brown leather. Having a lace-up design is great, because it allows you to loosen or tighten the bootlaces to however you are most comfortable. On the back there is a sturdy nylon finger pull, this feature assists you in getting the boots off easily. These 9 work boots have been built with a composite toe. This safety toe may be lightweight but it is able to protect your toes against 75 lbs. Dryness is guaranteed, because these work boots have been built with Rocky waterproof construction. Even when you are working in extremely-cold temperatures, your feet will be warm because these boots were assembled with 800 grams of Thinsulate Ultra Insulation.