Altra Women's Escalante 4 Sneaker in Black Size:8 Comfort Features:• Double stretch gore Comfort Features:• Double stretch gore for easy on and off• Protective and abrasion resistant rubber toe cap• Cleansport NXT™ treated for natural odor control• Merrell Air Cushion in the heel absorbs shock and adds stability• Molded nylon arch shank• Super Rebound Compound midsole provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfootMaterials:• Waterproof full grain leather upper• 100% recycled webbing• 100% recycled fleece lining• 100% recycled mesh footbed cover• 5% recycled PU removable footbedAdditional Measurements:• Half pair weight: 1lbs 0 A rubber sole means it can go both indoors and out We evolved the rubber midsole for a lighter weight and more flexibility so you can feel connected to the road with FootShape fit