PU.

Product Type : Trainers
Closing : Lace up
Length/Size : Low
Lining : Breathable mesh lining
Sole : Rubber outsole
Toecap type : Round toe

Lining: 100% Mesh; Upper: 80% Polyurethane, 20% Mesh; Sock: 100% Mesh; Sole: 100% Rubber

Do not wash, Do not bleach, Do not tumble dry, Do not iron, Do not dry-clean