Our famous six-inch men's work boots - adapted for on-site survival. Featuring waterproof leather, seam-sealed construction and ThermoliteA(R) insulation, these soft-toe waterproof boots keep feet dry and warm, enabling you to focus on the job at hand. Premium waterproof leather with seam-sealed direct-inject construction 200 grams of Thermolite; insulation Padded collar provides comfort and prevents debris from entering Mesh lining with antimicrobial treatment for odor control Contoured nylon shock-diffusion plate for support Lightweight blown-thermal plastic midsole for flexibility Dual-density dynamic anti-fatigue technology absorbs shock and returns energy at key zones of the foot Open-cell polyurethane footbed with antimicrobial treatment for breathable comfort and odor control Timberland PRO® oil-resistant, non-marking rubber lug outsole for durable traction Single boot weight for size 9: 910 grams/2 pounds Imported ANTI-FATIGUE TECHNOLOGY Made specifically for people who spend long days on their feet, our exclusive anti-fatigue technology is built into the midsole and uses geometric cone support to provide exceptional standing comfort, shock absorption and energy return all day. 30-DAY COMFORT GUARANTEE If you don't believe Timberland PROA(R) footwear with Anti-Fatigue Technology, PowerFit(TM) or SENSORFLEX(TM) comfort systems are not more comfortable than the brand you're currently wearing, return them within 30 days and we'll refund your purchase price, provided you still have your dated receipt of purchase. Call 1-888-802-9947 from US and 1-800-501-3054 from Canada. Available in the United States and Canada only. SEAM-SEALED WATERPROOF Seam-sealed waterproof leather for durable waterproof protection. Special tanning repels moisture for waterproof protection. Our waterproof footwear incorporates a variety of advanced waterproofing materials, treatments and processes. We start with waterproof leathers that are sealed as part of the tanning process; we then either seam-seal the footwear or use an internal waterproof breathable membrane to help feet stay dry. Tongues and zippers treated with durable water resistant coatings utilize integrated gussets, to further deter water entry. WATERPROOF LEATHER Special tanning repels moisture for waterproof protection. ELECTRICAL HAZARD PROTECTION Provides secondary underfoot protection against live electrical circuits, electrically energized conductors, parts or apparatus. Meets ASTM F2412-11, ASTM F2413-11 and ASTM F2892-11 standards.