The 6� Omaha Side Zip boot is constructed with 100% full grain uppers which are chosen for their natural strength and durability. The side zip feature allows for easy on / off functionality in a lace up boot. Featuring a speed lace system so you can achieve a precise fit is the key to comfort in our new side zip lace up option. Light as a feather and tough as nails this boot gets its attributes from hardworking people who wear them. TPU outsoles make this boot Electrical Hazard rated to ASTM standards