Mammut Alnasca Pro II Mid GTX Mens Approach in Black/Gray/Red. Size 12.5. Great preowned condition, really nice pair of hiking boots, some slight dirt, scuffs, wear in places. 8/10 condition, lightly worn, tread is still great, about 90%. Color is black, red, grey with a dark brown/grey suede.The Alnasca Pro II Mid GTX is a lightweight mid-cut hiking boot featuring an innovative combination of material, fit, design and technology. Base fit for strong heel support with specially developed lacing. The Michelin outsole allows close contact with the rocks and excellent grip on any alpine approach. The Gore-Tex membrane gives the shoe lasting waterproofing and breathability. The pre-shaped tongue construction and memory foam ensure individual fit and cushions foot at the instep, shin, and ankle. The Alnasca is an excellent choice for early season hiking and hunting where you need a comfortable, lightweight, breathable hiking shoe.