Dialed In for the Toughest Jobs. Built to take on the toughest jobs and deliver maximum performance, our legendary Vicious work boots are now available with the BOA® Fit System and an 8” height for more support. With just a turn of the dial the system’s laces and guides lock in the perfect all-day fit, while allowing you to clock out in an instant. No need to take off your work gloves. With waterproof lacing, a GORE-TEX-lined leather upper, a shock-absorbing midsole, a slip-resistant Vibram® outsole and a supportive fit that’s as custom as it gets, Vicious BOA® is one serious boot. Dialed In for the Toughest Jobs. Built to take on the toughest jobs and deliver maximum performance, our legendary Vicious work boots are now available with the BOA® Fit System and an 8” height for more support. With just a turn of the dial the system’s laces and guides lock in the perfect all-day fit, while allowing you to clock out in an instant. No need to take off your work gloves. With waterproof lacing, a GORE-TEX-lined leather upper, a shock-absorbing midsole, a slip-resistant Vibram® outsole and a supportive fit that’s as custom as it gets, Vicious BOA® is one serious boot.