STC Metpro Flex 8" Waterproof Leather Work Boots with Internal Metguard Protection

CSA M Certified Composite Toe Mining Boots with METATECH System Flex Metatarsal Protection and Vibram TC4+ Outsole

Mining and heavy industry put constant crush risk on the metatarsal area, where standard steel-toe boots offer no coverage. The STC Metpro Flex boots close that gap with an internal metatarsal guard, the METATECH System Flex, CSA M certified to handle 75 foot-pounds of impact. Waterproof composite toe boots for heavy industry, they add a puncture-resistant plate and Vibram TC4+ outsole for full site-ready protection.

Quick Product Details

• Waterproof leather upper

• CSA M internal metguard

• Composite toe and plate

• Vibram TC4+ outsole

• Memory foam insole

Key Features and Benefits of STC Metpro Flex Boots

• METATECH System Flex metatarsal protection: Flexible TPU internal metguard sits inside the boot, absorbing impact across the metatarsal area while moving with each step. Unlike external metguard boots, nothing protrudes to catch on ladders or scaffolding.

• H2O Seal waterproofing: Quadruple-sealed seams and full-grain leather keep water out in mine shafts, muddy sites, and rain.

• Vibram TC4+ outsole: Natural rubber grips wet, oily, and uneven ground. PU core absorbs shock on hard surfaces. 90-degree heel angle holds on ladders.

• Composite toe and plate: Lightweight, non-conductive, no cold transfer. Metal-free protection for waterproof composite toe boots in heavy industry where conductivity is a risk.

• Cambrelle lining: Antimicrobial treatment controls moisture and odor across long shifts. Removable insoles extend the comfort of life without replacing the boot.

Specifications

Certifications and Standards

• CSA Green Triangle: Grade 1 toe protection with puncture-resistant sole.

• CSA ESR: Electric shock resistant.

• CSA M: Metatarsal protection tested to 75 foot-pounds of impact under CSA Z195. This is the standard that governs CSA metatarsal boot requirements in Canada.

Applications

The STC Metpro Flex boots rank among the best mining boots with metatarsal protection in the STC lineup. As an 8-inch metguard work boot with internal protection, it fits any site where falling tools, rolling pipe, and heavy materials put the foot at risk.

• Underground and open-pit mining

• Oil and gas extraction and refining

• Heavy construction with overhead crane and rigging work

• Foundry, smelting, and metallurgy operations

• Forestry with chainsaw and felling hazards

• Heavy equipment operation on uneven terrain

See the full range of STC mining boots for other options rated for these conditions.

Industries

• Mining, Oil & Gas

• Construction

• Metallurgy & Foundry

• Forestry

• Distribution, Warehousing & Manufacturing

Compare it against other STC 8-inch work boots to find the right fit for your crew.

Buy the STC Metpro Flex Boots Online from Cleanflow

Cleanflow Utility Supply Company is an authorized supplier of STC Footwear, stocking the full lineup of CSA-certified STC safety boots. The Metpro Flex ships across Canada and the USA with returns accepted on qualifying orders. Available in sizes 8 through 13, wide width. Call 1-866-335-1078 (Canada) or 1-204-888-8469 (USA), or email [email protected] for bulk pricing, net terms, and sizing questions.

Frequently Asked Questions

What CSA certifications does the STC Metpro Flex S29109 carry?

It carries CSA Green Triangle (Grade 1 toe protection with puncture-resistant sole), CSA ESR (electric shock resistant), and CSA M (metatarsal protection). The CSA M rating confirms that the METATECH System Flex metguard meets CSA Z195 impact requirements for CSA M certified work boots on Canadian job sites.

Is the STC Metpro Flex boot waterproof?

Yes. The upper is full-grain leather with quadruple H2O Seal sealed seams that lock out water in wet conditions, including mine shafts, muddy job sites, and rain. The Cambrelle lining inside controls moisture and resists abrasion across long shifts.

How does the Metpro Flex compare to the original STC Metpro?

The Metpro Flex (S29109) uses a composite toe and the METATECH System Flex, a flexible internal metatarsal guard. The original Metpro (S22002) uses a steel toe and the METATECH System 360°, a rigid internal guard. Both are CSA M certified. The Flex version allows more natural foot movement during long shifts because the flexible TPU shield bends with the foot instead of restricting it. For buyers comparing internal metatarsal guard mining boots, the Flex is the lighter, more mobile option.

What sizes is the STC Metpro Flex available in?

The STC Metpro Flex is available in sizes 8 through 13 in wide width. Women should subtract 2 from the listed size. The Vibram TC4+ outsole is consistent across all sizes, so grip and stability do not change between smaller and larger sizes.

Do I need metatarsal guard boots for mining in Canada?

Most mining operations in Canada require CSA M-certified work boots with metatarsal protection. The CSA M standard tests the guard with a 50-pound bar dropped from 18 inches, producing 75 foot-pounds of impact. The Metpro Flex meets this requirement with its internal METATECH System Flex metguard, and the 8-inch boot height provides the ankle coverage that mining and heavy construction sites typically mandate.