Upgraded superfeet insoles. Premium 2.5 mm leather uppers are water-resistant to keep the wearer dry Extra-tough uppers have double stitching for increased durability Iconic tough gores are tested to 10,000 stretches to ensure highest quality SPS Max Comfort System combines ergonomically engineered toe springs with XRD® technology in the heels to further reduce wearer fatigue while increasing comfort Removable contoured EVA footbeds Cushioned midsoles for comfort Steel shanks Lightweight and comfortable TPU outsoles Gorpcore, Workwear, Outback, Rugged, Minimalist, Sustainable, All-Weather, Unisex, Heritage, Casual, Travel, Durable, Rustic, Farmcore, Urban Explorer