WOMEN'S CHELSEA COMMANDO GLOSS BOOT - BLACKWomen's Commando Chelsea Boots Size Fit Summary: True to size, Slim fit. If you are in between sizes or want to wear a thick sock, it is recommended to size up. Note: The elastic gusset is not fully waterproof. The FSC certified Commando Chelsea Boot was crafted using natural rubber from forests independently audited to Forest Stewardship Council standards. These 100% waterproof lower boots are handcrafted to strict standards to protect forests, as