Altra Lone Peak 9+ Womens Glacier Size:8us and natural movement Outsole Thin and natural movement Outsole Thin 4mm Gobi lifestyle outsole with a signature hexagonal design for flexibility and connection to urban surfaces Upper Rugged Wild Hide upper made from 100% bovine leather that softens and develops character with wear Lining 100% bovine leather Insole Removable 3mm Everyday Cork and recycled polyurethane insole topped with naturally antibacterial cork Closure Classic lace up closure with waxed cotton laces and durable metal eyelets Materials Bovine leather upper and lining Treat your feet to our roomy Original FootShape™ Fit and responsive yet soft Altra EGO™ midsole foam with plenty of room to help your toes move more freely Get that classic Altra feel with zero drop and our roomiest toe box