Product Review

Material: Spandex Super Fiber & PU 
Colour: White with Black
S: suitable for 3.0-33 shoes size
M: suitable for 3.0-33 shoes size
L:suitable for 3.0-33 shoes size
XXL:suitable for 3.0-33 shoes size
XXXL:suitable for 3.0-33 shoes size

Features:

High elastic fabric,fabrics absorb sweat breathe freely
Design with velcro,good adhesion,free to adjust tightness
The heel edge is overlock stitch,durable,breathable,comfortable