GAS Nottingham NBX Amphibian Boot is a lace-up boot with a side zip and logo application, designed for everyday streetwear and urban looks. It pairs a durable synthetic upper with a treaded sole for reliable grip and a bold silhouette. Key attributes: Black | Nero | Polyurethane | Durable synthetic upper | Treaded outsole for traction | Lace-up closure for adjustable fit | Side zip for easy on/off | Ankle-high lace-up silhouette | Logo application | Chunky treaded sole | Composition & care: 70% polyurethane | 30% polyester