FDXL100 Leather Boot

Constructed for durability and designed with the highest quality materials to help you work safer, longer and more comfortably.

Certified to NFPA 1971.

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Product Features

Let the Fire-Dex FDXL100 structural leather boot help you work safer, longer, and more comfortably. Using only the highest quality materials, this fire boot is constructed for durability. The FDXL100 uses Vibram® FIRE&ICE™ compound from heel to toe, providing the same flex and grip whether walking on embers or ice.

You definitely don't have to worry about wearing this leather out!

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Vibram® FIRE&ICE™ Compound

Toe guard, heel guard, and sole made with Vibram® FIRE&ICE™ Compound, providing extreme durability. FIRE&ICE™ Compound allows the sole to flex and grip the same at 480 degrees as it does at -4 degrees.
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Integrated Pull-On Loops

Reinforced with extra layer of leather and assembled with Kevlar® thread. Easy to don & doff with gloved hand. Guaranteed for the life of the boot under normal wearing conditions.
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Heavyweight Leather

Full grain, 2.2 mm, heavyweight leather is silicone-tanned to be waterproof and flame retardant.
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Added Visibility

3M™ Scotchlite™ Reflective Material, 8935 Silver, industrial wash, flame resistant material is piped around every seam, offering superior retroreflectivity and added visibility.
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Crosstech® Footwear Fabric

The advanced technology in Crosstech® Footwear Fabric by W.L. Gore provides durable, breathable protection while maintaining its waterproof properties after continuous wear and repeated exposure to high heat conditions.
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Nomex®/Kevlar® Lining

Thermal and cut resistant liner made from 200g of Nomex® and Kevlar® by DuPont™ providing the most innovative thermal and cut resistant barrier.
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Multi-Density Footbed

Fabric allows air movement, wicks moisture, eliminates odor and has antibacterial properties. EVA memory foam rests on top of the energy-return polyurethane foam layer which adds superior shock absorbency.
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Elastomer Performance Gel

Elastomer performance gel provides superior shock absorbency and therapeutic support to keep you energized and moving for prolonged periods of time.
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Steel Ladder Shank

Provides stability and support when climbing and standing on ladders.
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Lenzi Puncture-Resistance

Lenzi puncture resistant material provides full puncture resistance across the entire sole with a unique, ultra light, flexible material.
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Molded Cement Outsole

Our flexible, lightweight sole with Vibram FIRE&ICE compound is attached using cement construction, giving it similar weight and flexibility to an athletic shoe. The interior crosshatch design is multifunctional - adding a layer of air insulation under foot, increasing flexibility, and reducing weight.
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  • Vibram® FIRE&ICE™ Compound - The sole, toe guard, and heel kick are all made using Vibram® FIRE&ICE™ compound.  This compound provides superior slip resistance and flexibility in extreme cold or heat; offering the same performance whether walking on 480°F or -4°F.
  • CROSSTECH® Footwear Fabric provides a waterproof, breathable and antiviral membrane
  • NOMEX®/KEVLAR® Lining - 200g thermal and cut-resistant liner by DuPont™ provides the most innovative protection.
  • 3M Scotchlite™ Reflective Material - 8935 Silver, industrial wash, flame resistant fabric, composed of retroreflective lenses for superior visibility (ANSI Compliant)
  • Composite Toe Cap - Composite protective toe cap does not transfer heat or cold like steel. Complies with NFPA and CSA specifications.
  • Ladder Shank - Provides stability and support when climbing and standing on ladders.
  • Lenzi® Puncture Resistant Fabric - Provides full puncture resistance across the entire sole with a unique, ultra light, flexible material.
  • Elastomer Performance Gel - Placed at the ball of the foot and the heel, absorbs and disperses impact energy.
  • EVA Memory Foam - Cradles the foot for a custom, perfect fit.
  • Energy Return Polyurethane - Cushions and cradles the foot, reducing foot, leg, and back fatigue.


Medium (Regular) Width: whole sizes 4-16 & half sizes 8.5-13.5

Wide Width: whole sizes 8-16 & half sizes 8.5-13.5

Extra Wide Width: whole sizes 8-14 & half sizes 8.5-11.5

Check out the entire Fire-Dex Master Catalog