Water-repellent and durable upper in a tightly woven microfibre. BOA® Fit System on the side of the shoe for simple and quick adjustment. Achieve a higher energy return compared to traditional safety footwear thanks to integrated carbon plate technology in the midsole. 3D-engineered outsole for optimal grip. Extra support around the heels ensures an optimal fit and high levels of comfort. Also available in women’s sizes. F1681 S3S Safety Boot with BOA Fit System