Yearling leather upper for breathability with chisel square toe for classic style H Fit - Wider Fit Slip on closure with back tab for easy on-off wear Leather lining for an abrasion-free environment for all-day wear and a perfect inner climate Removable flexible cellulose insole board for extra comfort The fibreglass airport-friendly shank reinforces the shape of the boot and supports the arch. This boot is crafted using a men’s sized last. Williams boot size guide here. Williams leather boot care guide. Read Now.