Superduty Bison - Shadow (Smooth) (Safety Toe) Size Length:10.5 (The ASTM-F2413-17 rating reflects the

(The ASTM-F2413-17 rating reflects the same safety testing and rating as the ASTM-F2413-18 of which the key modification is to the inner tongue label for better identification purposes

And in most cases

Leather: Steer Leather

Both Quarters have four slits or "relief cuts" in the uppers for mobility

8-9oz premium oil-tanned shrunken USA blood bison leather

Superduty Bison - Shadow (Smooth) (Safety Toe) Size Length:10.5 (The ASTM-F2413-17 rating reflects theThe unique combination of the bison's strength and flexibility is prominent in our entire Bison collection. The moment you slip on a pair of these one of a kind work boots they mold to your feet because of how soft and thick the hides are. Expect no break in, instant comfort, and long lasting support wherever you roam. Like its namesake, the Superduty Bison is a born survivor: known to walk straight into the head of a storm, unfazed by uncertainty.