These boots tend to run small. When ordering, please select a half size larger than your normal street size. The KEEN Targhee II Mid keeps your feet dry and lets them breathe, and the aggressive outsole bites into the terrain. It's built for all-day comfort, and the mid-cut height adds ankle support. Four-wheel-drive performance for your feet. Waterproof leather, webbing, and mesh upper. Upper is made of environmentally preferred premium leather from an LWG-certified tannery. Mid-cut height increases ankle support. KEEN.DRY waterproof/breathable textile membrane keeps your feet dry and comfortable. S3 Heel Support Structure. Secure-Fit lace capture system. Removable metatomical footbed. ESS shank provides torsional stability for a secure ride. Dual density compression molded EVA midsole. Non-marking carbon rubber outsole with 4mm multi-directional lugs. Leather sourced from a Leather Working Group (LWG) Certified tannery. This product has been certified by one or more industry certifying organization for meeting at least one industry standard for sustainable and ethical products. Measurements: Weight: 1 lb 4 oz Circumference: 12 1 2 in Shaft: 4 1 2 in Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size.