Step into the heritage-inspired, built-to-last construction of the Merrell® Wilderness USA boot. Compatible with strap-on crampons. Waterproof full grain leather upper. Bellows tongue helps keep debris out. Lace-up closure. Italian metal hardware. Thin tongue and plushly padded collar. Tesivel™ three-bar knit textile lining offers a great in-shoe feel. 5 mm leather and TPU insole. Dual-density foam footbed. Microporous rubber midsole. High-performance Vibram® rubber outsole delivers unmatched durability, stability, and grip. Norwegian welt construction. Made in the U.S.A.Measurements: Weight: 2 lbs 7 oz Shaft: 5 1?2 inProduct measurements were taken using size 11, width M. Please note that measurements may vary by size.