Australian sizing. You will want to put the Nevada black aquapel leather pull on boot from Redback on your must-have list this season! Beautifully crafted, the leathers are sourced only from Australian and New Zealand premium full-grain cow hides. Boots are made to be resistant to water, heat or oil. Every pair is made at their factory in Alexandria, Sydney. Features & Benefits Full grain waterproof leather upper Air cushion midsole Anatomical fit & torsional heel support Elastic goring for easy on/off Hard-wearing TPU outsole Made in Australia Design Elements Waterproof Water Resistant Leather Air-Cushioned Sole Elastic Oil Resistant Outsole Polyurethane midsole All sizes are in unisex Aussie sizing. Aussie sizing is typically one size smaller than your US size for men and three sizes smaller for women. Examples: Men’s 10US wears 9AU. Women’s 7.5US wears 4.5AU. Half sizes have a wider fit and more room in the instep (top of foot). View the sizing guide here