Thorogood full-grain all-leather boots polish to a high shine. Their Goodyear welt construction provides strength, durability, and air interchange within the boot. Padded ankle collar and quarter are so comfortable you’ll forget you’re even wearing boots. Comfort Weave lining wicks moisture to keep your feet dry and healthy. Removable Poly-Pillow™ insole system absorbs shock. Lightweight polyurethane oil slip-resistant soles resist chemicals and oil. Lace-in YKK zippers included. Postal certified and approved by the California Highway Patrol.