Vibram Slip Resistant Solid Leather Upper for Men for Sale 。The Refrigiwear Excel Double-Gore Slip-On 1104CR is a solid black leather boot with a round toe and slip-on closure. It features 200g Thinsulate™ Ultra lining for insulation, making it suitable for workwear and various seasons. The boot also includes Vibram© XS Ultimate© Anti-Slip outsole for slip resistance, as well as ASTM Composite Toe protection. With a lightweight and moisture-wicking design, this slip-on boot from Refrigiwear is a practical and comfortable choice for men looking for reliable footwear.