How to choose correct size? 1.Measure your foot length as the photo. 2.Find the correct from the size chart by your foot length! 3.Please do not measure the insole length,it is different from the foot length. If your feet sole are wider or feet instep are higher, please choose a larger size. Barefoot Shoes Men Women Minimalist Running Cross Training Shoe Indoor Fitness and Sports Shoes Gym Yoga Shoes Minimalist Barefoot Style Design - achieve your physical fitness by simulating the true barefoot feeling. For barefoot style shoes new user, please took time to get use to this healthy feeling gradually. Wide Toe Box Safety Design - upgrade toe shoes design, without the separate slots for your toes. Set free your toes as real "barefoot style (a natural stride)" to invoid hurting toes when use. Removable Exclusive Arch Support Insole (Zero Drop Style) - gives you enough support to help you strength and exercise your own muscles and bones (provide less support than common running shoes). Indoor Activities - gym deadlifts, squats, lifting, treadmill jogging, yoga, spinning bike, rope skippingaerobics, fitball, hotball, abdomen back stretch, and working out in general Outdoor Activities - camping, casual walking, training, running, jogging, biking, hiking, climbing, camping, and vacation etc. Kindly Reminder 1. Please check if your order information is correct, including the recipient's name, shipping address, phone number and postal code. 2. If any issues during the shopping process, shipping time or after receiving the item, please feel free to contact us. Size Notice: 1.Foot length is not the insole length. 2.Foot length is not the outsole length. 3.Foot length < Insole Length < Outsole Length. 4.Please do not measure the outsole length of your shoes, it is different from the foot length and insole length. 5.When measuring the length of the insole, We suggest using a steel ruler to measure；please do not use the ruler to forcefully press the insole. 6.For the insole length of this item, please allow 0.1-0.6cm error. 7.We suggest you firstly choose the size by your foot length,then you can choose the size by the insole length of similar shoes you have.