Nordica One 40 W Women's ski boots mondo size 27.5 , US size 10 NEW Brand new pair in box size mondo 27.5 which is US women 10 according to most charts. Sole/shell size 315mm this is always listed on the side of boots soles. Flex 40.Soft flex index of 40 is ideal for entry-level skiers The ultimate in comfort and style, Nordica One 40 ski boots offer the beginning skier a warm, comfortable fit to help make learning easy and fun. 4-buckle design with micro adjustments for a custom fit Hook-and-loop power strap provides added support and power transmission making learning to turn easy Soft flex index of 40 is ideal for entry-level skiers If you're a beginner to intermediate skier looking for a reliable and comfortable boot then this Nordica One 40 Ski Boot is a great choice. It has a four buckle design with all 4 buckles being micro-adjustable. This means that you can dial it in to a perfect fit so you are at the optimal comfort level. Finish it off with the Velcro Strap and you are securely in these boots and have lots of support when you're carving into the mountain. Best use -Downhill ,skiing Skill level Novice, Ski boot flex -Soft Flex index 40 , Liner material 3D, foam Last width 104 millimeters ,Gender Women's ,Ski Gear Intended Use: All Mountain Category: , Buckle Count: 4 Number of Micro Buckles: ,Heat Moldable Liner Special Features: HP Slide In 2015 ski boots model brand new pair.