Mammut light mountaineering boots. Men’s 10.5 US. 44 EU. LIKE NEW CONDITION. WORN ONCE. VERY LIGHT AND COMFORTABLE. SUPPORTIVE. WATERPROOF. VIBRAM SOLE. Too big. I wear a 10 in Vans and Nike. 43 in La Sportiva TX4. 43 in Scarpa Zodiac Plus and Tech(Older Models). Just a little big. I could possibly make them work with an aftermarket insole. These are awesome boots! Literally brand new condition. Barely a scratch on them.