Keen Men's Flint II Sport (Carbon-Fiber Toe) Work Shoes - Iron/Black

Keen Men's Flint II Sport (Carbon-Fiber Toe) Work Shoes:
 - Uniquely anatomically correct steel, aluminum, & composite toe designs provide a roomier toe box and maximum comfort.
 - internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the foot.
 - Siped outsole disperses liquids quickly for increased traction
 - 100% non-metallic construction for easily passing through metal detectors in highly-secured areas
 - Reflective webbing for additional safety and visibility
 - External Stability Shank (ESS) for midfoot support
 - KEEN.ReGEN: A lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foam
 - KONNECTFIT heel-capture system for a locked-in feel
 - Meets ASTM F1677-96 MARK II Non-Slip Testing Standards
 - Meets ASTM F2412-17 and F2413-17 F I/75 C/75 EH Standards
 - Meets ASTM F2913-17 SATRA Non-Slip Testing Standards
 - Provides a secondary source of protection when outsole accidentally comes in contact with live electrical circuits, helping to reduce the potential of electric shock.
 - soft toe, light duty
 - Mesh/Synthetic Upper
 - Oil- and slip-resistant non-marking rubber outsole
 - KEEN.ReGEN: A lightweight, compression-resisting midsole
 - Mesh & Moisture-Wicking Textile Lining
 -  Removable metatomical PU footbed
 - weight 20.4 oz / 576.9 g
 - calf circumference 2.0 in / 5.1 cm
 - collar height 2.5 in / 6.3 cm