Keep your feet comfortable with help from the Bates Men's Delta-6 Side-Zip Boots, which feature leather and ballistic nylon uppers for durability and Individual Comfort System (iCS) technology to provide customizable comfort in 4 zones. Nonslip rubber outsoles afford traction on a variety of surfaces, and the YKK® nylon side zippers offer easy on and off. Bates Men's Delta-6 Side-Zip Tactical Boots