The Timberland Pro Boldon Slip-On AL SDP work shoe gives you the performance you need for long days at work with the comfort of a sneaker and the convenience of a slip-on. Premium full-grain leather upper with elastic gore. Slip-on styling. Canvas lining with antimicrobial treatment. Single-density open-cell polyurethane footbed is self-molding for a custom fit. SensorFlex comfort system. Contoured shock diffusion plate. They are also breathable and feature moisture-wicking lining with anti-microbial treatment for odor control.