keen-utility-mens-synchro- 。Step into the ultimate work boots with the KEEN Utility Portland Waterproof Carbon Toe boots for men. These ankle boots feature a lace-up closure and round toe shape for a comfortable fit all day long. The gray solid pattern with accents of lace and logo make these boots perfect for workwear occasions. With a D shoe width, these boots are made from high-quality leather and lined with fabric to ensure durability and comfort. The outsole is made from rubber, making them waterproof and perfect for any season. These boots are perfect for those who value quality and style.  Keen dry waterproof.  ASTM F2413-18.  M/I/C.  EH   Non-marking, oil- and slip-resistant rubber outsoles offer trustworthy traction.   Work-friendly 90° heel provides stability and helps lock the foot in place on ladders. Contoured heel guards.