These 100% waterproof lower boots are handcrafted from natural vegan rubber and feature a vegan fleece insulated lining, with the ability to be worn in temperatures as low as -5°C. The 100% waterproof lower Elements Commando Chelsea is an icon within the Elements collection. Retaining all the beloved features of the Chelsea Commando Boot, like the flexible gusset and Hunter grip, this new chunky silhouette and rivet detailing. Size/Fit Summary: True to size, Regular fit which features new engineered improvements. If you are in-between sizes or want to wear a thick sock, it is recommended to size up.