Muck Boots Juliet Rubber Women's Riding Boot Rubber Importado Rubber sole Shaft measures approximately 7.5" from arch Heel measures approximately 1.75" Boot opening measures approximately 12" around 4 mm neoprene provides comfort and flexibility, along with excellent waterproofing, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing 100% waterproof women's boots feature a high-grade extended rubber exterior for added toughness and extra coverage Anti-microbial XpressCool fabric lining pulls moisture away from skin to keep feet cool and dry in warm weather; comfort rated from 40 F to 95 F (4 C to 35 C) Womens last is designed for the female foot; shock-absorbing insole and outsole for extended long-wearing comfort Slim toe and wide heel for riding; easy on-off style with pull-on tab