The waterproof, slip resistant Rocky Forge 8" boot is not only as durable as it gets, but comfortable to "boot". The upper is made of natural oiled full grain leather. The interior is lined with the patented Rocky waterproofing system and a light and smooth inner mesh lining. The insole on this boot is second to none. Made of ultra thick and flexible polyurethane it is so plush you'll think you're wearing slippers. The slip and heat resistant rubber outsole is perfect for those hard jobs that need reliable boot. The front is adorned with a higher portion of the outsole called the "TuffTech" toe guard. This boot is made to handle your tough, long work days with comfort and durability.