Features: Wear-resistant non-slip soles walking more calm. They are easy to pair with just about any outfit. Soft and breathable.It is healthy and safe for your feets. Easy to wear and take off.Best birthday gift for your friends. For a variety of occasions: Casual travel running sport etc. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Asian Size is smaller than EU/US/AU size Please compare the detail sizes with yours before purchasing. Specification: Upper material:Mesh Applicable season: winter spring summer autumn Size: US Regulations UK Regulations AU Regulations Length Girth 35: 4 2 3.5 22.34 20.4cm 36: 5 3 4.5 23 20.85cm 37: 6 4 5 23.66 21.3cm 38: 7 5 6 24.32 21.75cm 39: 8 6 7 24.98 22.2cm 40: 9 7 7.5 25.64 22.65cm 41: 10 8 8 26.3 23.1cm 42: 11 9 8.5 26.96 23.55cm 43: 12 10 9 27.62 24cm