Nautilus Safety Footwear is well-known for designing and manufacturing high quality work shoes and boots. Their athletic and casual inspired designs are both ergonomic and comfortable, and also meet government safety standards. These women's durable textile upper shoes feature removable dual density insole, outsole grade eva and carbon nanofiber toe. Lace up with these comfortable and stylish oxfords. Nautilus Womens Black Textile Carbon Toe Spark SD10 Athletic Work Shoes