For jobsites where the work is relentless, the Caliper BOA® brings the speed and secure fit of the BOA® Fit System to one of our most reliable boots. With just a turn of the dial, the integrated system quickly and evenly secures your foot for a precise, supportive fit that’s as custom as it gets. When your shift is over, a quick tug on the release lets you clock out in an instant. Thanks to BOA®’s hassle-free design, there’s never a need to take off your work gloves. With full-grain leather, Danner Dry waterproofing and waterproof lacing, exceptional cushioning and a rugged slip-resistant outsole to support you in the most demanding work conditions, the Caliper BOA® is one tough boot built for the toughest jobs.