Zappos.com is proud to offer the Mephisto - Gunar (Black Smooth) - Footwear: Take the comfort and quality of Mephisto® footwear with you to the office or about town with the Gunar lace-up. ; Full-grain leather upper with stitch detail and a traditional lacing system for a custom fit. ; Luxurious leather linings help to wick away moisture for a drier foot environment. ; Patented Air Jet insole circulates air with each step in cushioned comfort. ; Soft-Air® flexible midsole contributes to the comfortable walking experience by minimizing shock. ; Lightweight rubber outsole delivers long-lasting durability on a variety of surfaces. ; Weight: 15 oz ; Product measurements were taken using size 45 (US Men's 11). Please note that measurements may vary by size.