4 mm neoprene provides comfort and flexibility, along with excellent waterproofing, shock absorption and heat retention properties; adjusts to the shape of little feet to resist blisters and chafing Stretch-fit topline allows for easy tuck-in of riding pants or jeans; women's-specific last is designed to follow the contours of the female foot Anti-microbial XpressCool fabric lining pulls moisture away from skin to keep feet cool and dry in warm weather; etc sock liner reduces heat build up; comfort rated from 40 °F to 95 °F (4 °C to 35 °C) Narrow toe and slim tread with horizontal pattern provides easy stirrup access and grip; Achilles reinforcement for additional support and long wear; heel spur for riding High-grade rubber provides extra toughness and makes for a 100% waterproof riding boot; easy on-off with pull-on tab