Rigid under the heel but flexible up front for stability on uneven terrain, the FlexForce 401 offers durability, comfort and lightweight versatility. Features include a rugged Red Wing Leather upper with advanced waterproofing technology, plus a Vibram® rubber/PU outsole underneath for best-in-class slip resistance. Advanced DynaForce® insole technology reduces underfoot pressure for all-day comfort.
- ASTM Standard: ASTM F2892-18, EH
- Construction: Cement to Welt
- Footbed: Nylon Covered Polyurethane
- Height: 6-inch
- Last: 156
- Shank: Non-metallic
- Leather Type: Full Grain, Waterproof
- Insole: DynaForce®
- Outsole: Vibram® Rubber-PU XClaim TC-4 Plus - Red
- Waterproof: Red Wing Waterproofing
- Resoleable: no
- Country of Origin: Made in Vietnam