These tough, side-zip True Grit work boots help keep feet dry, warm, and protected with a Premium Timberland® waterproof leather upper, a composite safety toe, and Anti-Fatigue Technology, allowing you to concentrate on the task at hand. In addition to the Anti-Fatigue Technology footbed for shock absorption and energy return and ExoSpineTM technology, which offers enhanced durability with lightweight TPU construction for lasting structure, improved heel fit for all-day comfort, and an abrasion-resistant “kick-off” backing for easy boot removal, the slip-resistant TPU lug outsole helps keep you grounded.