Carhartt Men's Force 5" Nano Composite Toe Work Boot - Black - FA5441-M Size:15 The CA5540 is uninsulated

The CA5540 is uninsulated

so it can be resoled multiple times

Welt construction stitches the outsole on rather than cementing it

the adjustable top strap lets you customize the fit around your calf for extra security

Carhartt Men's Force 5" Nano Composite Toe Work Boot - Black - FA5441-M Size:15 The CA5540 is uninsulatedCarhartt Men's Force 5" Nano Composite Toe Sneaker Work Boot Black FA5441 M Men's lightweight work sneaker. Don't let their lightweight comfort fool you, these boots provide the toughness and protection you need to stay safe on the job site. Key Features of the Carhartt FA5441 M Oil Tanned Leather with High Abrasion Resistant Fabric to prevent wear and tear Leather Reinforced Heel for abrasion resistance FastDry Technology Lining wicks away sweat Nano