Polyester spandex back. The supple tackified chrome leather palm ensures good grip, even in the wet. A popular choice with Eventers, Jockeys, Trackwork and Endurance riders.
My mare is very fussy about her fly masks and I have tried many brands before finally finding the Woof wear one. She is finally comfortable with it on and doesn't scratch it off on the nearest tree. It keeps it's shape nicely and matches her black colour.