The patented BOA® twist closure allows fast and easy putting on and taking off as well as precise adjustment of the laces. The high shaft of the BOA® Work S3 protects the ankle and supports the ankle joint. Continuous leather uppers provide protection from hot chippings and welding beads. The BOA® closures, shoe eyelets and laces withstand concrete, rain, ice and freezing temperatures. Breathable fabric provides the best moisture management and comfortable wearing. The all-terrain sole ensures maximum grip on the terrain.