Timberland PRO Boots: Men's Composite Toe A121H 231 Insulated EH Resistor Work Boots

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Timberland PRO Boots: A121H 231 Men's Resistor EH Insulated Composite Toe Boots

Timberland PRO Boots: Men's Composite Toe A121H 231 Insulated EH Resistor Work Boots

This pair of ~Timberland Pro A121H 231 Men's Tan Resistor EH Insulated Composite Toe Work Boots is the original classic, all-purpose work boot. Seam-sealed waterproof construction and a dynamic anti-fatigue insole give this men's boot the performance needed to excel at the job site.

Using tumbled full-grain leather, the upper of these Timberland PRO boots is seam-sealed for durability and dry, comfortable feet. Full-grain leather is used primarily in footwear designed for extended trips, heavy loads, and hard terrain since it's extremely water-resistant, durable, and supportive. Leather is capable of absorbing up to 30% of its weight in water vapor without loss of dryness. The seams of these waterproof boots are sealed with rubber cement and non-absorbing, nylon thread is used in the stitching to ensure you stay dry. If properly maintained, these top-quality, EH boots will provide long-lasting service.

To safeguard you from unfortunate accidents, a composite safety toe is shaped onto a TiTAN last shape for non-metallic protection and a superior fit when you wear these insulated boots. The protective shell is made by combining molded polymer composite technology with unique ballistic mesh for extra strength. Compliant with ASTM F2413-11 M I/75 C/75 EH safety standards, these composite toe boots can endure up to 75 pounds of impact and 2500 pounds of compression.

You'll also be provided with a secondary source of electric shock-resistance protection. EH-rated footwear is designed with special heel and sole materials to provide extra protection against accidental contact with live electrical circuits, electrically-energized conductors, parts, or apparatus. As a result, these safety toe boots meet ANSI Z41PT99, ASTM F2412-11, ASTM 2413-11 and F2892-11 standards to provide protection from open circuits. A lightweight polyurethane midsole provides flexibility and cushioning when you wear these men's boots. The foamed structure contains tiny air bubbles which makes the material lightweight and flexible. PU will even remain flexible at extreme temperatures as low as -30° C, when rubber and PVC tend to break.

Inside these Resistor boots, the mesh lining with an antimicrobial treatment provides odor control and comfortable feet. While the mesh lining allows air to circulate to keep your feet fresh, the antimicrobial lining will keep your feet smelling fresh. In addition, the inside of these Timberland PRO boots is lined with 200g Thermolilte insulation to provide the warmth you need when it's cold outside. This hollow-core fiber technology offers the most warmth at the lightest weight. Moisture is pulled away from the skin to the surface of the fabric where it can evaporate more quickly. As a result, it dries 20% faster than other insulating fabrics and 50% faster than cotton, keeping you drier and more comfortable throughout the day. Thermolilte also features tiny microfibers blown to form a high-density web, providing an increased surface area to efficiently trap air for insulation.

Dual-density Dynamic Anti-Fatigue Technology absorbs shock, while providing enhanced moisture management for all-day comfort.The Timberland PRO thermal plastic urethane outsole is oil-slip-, and abrasion-resistant. It's been tested for volume swell using EN345 TMP ASTM fuel A 7 Diesel ISO 1817 liquid F for 22 hours and ASTM IRM903 and Fuel B for 46 hours. TPU bridges the gap between flexible rubbers and rigid plastics. It has high tensile, compressive, and tear strength as well as good flexibility over a wide range of temperatures.

Direct-inject construction was utilized to attach this TPU outsole to the leather upper of these tan boots. The nylon shock-diffusion plate provides support and torsional rigidity. It helps with arch support since it forces the appropriate break at the ball of your foot.

Enhancing fit and comfort, these Timberland PRO A121H 231 Men's Tan Resistor EH Insulated Composite Toe Work Boots also feature a padded top collar for comfort. The collar will also help to keep debris, sticks, and stones out of the footwear. With so much to offer, these all-purpose work boots is ideal for any job. Why not order yourself a pair today?

Manufactured Sizes: Medium: 7-12, 13, 14, 15 | Wide: 7-12, 13, 14, 15

Detailed Product Specifications

Sole Construction
Direct Attach (Chemically Bonded)
Sole Material
Toe Type
Composite Safety Toe- ASTM F2413-05 M I/75 C/75
Tread Pattern
Hooks / Eyelets
Slip Resistant
Waterproof Construction
Electrical Hazard (EH)
Comfort Guarantee
Abrasion Resistant
Thinsulate- 200 Grams
Oil Resistant
Padded Collar

Additional Product Features

  • Slip Resistant
  • Electrical Hazard (EH)
  • Comfort Guarantee
  • Abrasion Resistant
  • Oil Resistant