Among Mongrel's high leg ZipSider range, the 251 is the most popular choice due to its versatility. Designed with a ToughSider Sole, the deep tread pattern increases grip and stability when working on hazardous surfaces. The in-built arch and ankle support reduces fatigue and improves comfort, making this boot suitable for all trades, including both indoor and outdoor workplaces. Mongrel Wheat Nubuck ZipSider High Leg Boot 251050