Timberland Pro Direct Attach 6 Inch Waterproof Work Boot TB026036001. These Timberland PRO Direct Attach boots are designed with inspiration from our original yellow boots. They are waterproof and feature 200 grams of insulation to keep you warm and dry in cold conditions. The boots are equipped with premium Timberland seam-sealed, waterproof leather uppers and comfortable padded collars. Their rubber lug outsoles resist heat, oil, slip, and abrasion, providing excellent traction. These soft-toe boots also include electrical hazard protection, Anti-Fatigue Technology polyurethane footbeds for shock absorption and energy return, and breathable, moisture-wicking linings made from ReBOTL fabric, which contains at least 50% recycled plastic and has an antimicrobial treatment to help control odors.