Women's Black Commando Chelsea Boot - 6 / Black Women's Black Commando Chelsea Boots Size/Fit Summary: Snug fit. If you are in-between sizes, have a wider calf or want to wear a thick sock, it is recommended to size up. Note: The elastic gusset is not fully waterproof. The Commando Chelsea Boot was crafted using natural rubber. These 100% waterproof lower boots are handcrafted to strict standards to protect forests, as well as the animals and communities that depend on them. Crafted from vegan rubber, the 100% waterproof lower Commando Chelsea is an icon within our Original collection. Retaining all the beloved features of the Original Chelsea Boot, like the flexible gusset and Hunter grip, this new silhouette has a higher profile, reaching 15mm further up the leg. This women's black Chelsea boot style also features an updated recycled polyester lining and insole.