- Premium full-grain leather upper from an LWG Silver-rated tannery provides comfort and durability - Authentic rawhide lace for durability - Traditional handsewn construction for a classic aesthetic - Leather midsole for well-cra ed quality and good looks • Durable outsole is made with 34% recycled rubber - SensorFlexTM technology delivers underfoot support, independent suspension and greater exibility for the ultimate - smooth ride over any terrain