Features:
Ideal for walking, hiking, climbing, ball games, running and daily use, etc Designed to fit in casual and athletic footwear. Adopts high quality cloth material, elastic, breathable and comfortable.
Suitable for most shoes, such as sneakers, leather shoes etc.
Easy to take out and clean.

Spec:

Material: Cloth 

Color: Gray

Suitable shoes size:

Size
35-36
37-38
39-40
41-42
43-44
45-46
Length
23.5cm / 9.25inch
24.5cm / 9.65inch
25.5cm / 10.04inch
26.5cm / 10.43inch
10.43 27.5cm / 10.83inch
28.5cm / 11.22inch
Width of forefoot
7.6cm / 2.99 inch
7.8cm / 3.07inch
8cm / 3.15inch
8.3cm / 3.27inch
8.5cm / 3.35inch
9cm / 3.54inch
Width of heel
5.5cm / 2.17inch
5.8cm / 2.28inch
6cm / 2.36inch
6.2cm / 2.44inch
6.3cm / 2.48inch
6.5cm / 2.56inch