The Asolo Freney Mid GV is an evolutionary step of the Freney mountain boot series. Still providing optimum stability and support, this new design offers lighter weight and greater agility. Not a bad choice for rugged terrain backpacking as well. A great choice for summer alpine climbs in the North Cascades or Canadian Rockies. Super tough Schoeller K-Tech upper Vibram Megagrip outsole is designed for optimum performance on varying types of terrain Gore-Tex Performance Comfort lining keeps feet dry in snow and ice Vibram Mulaz rubber sole TPU crampon inserts at the heel Asolo Men&';s Size Chart U.S. Men&';s 6 6.5