Fly Veil with Ear, with fleece edging, available in the large en: Shetland, Pony, Cob, Warmblood and Warmblood extragro? (Misc.)
The mask looks actually not wrong, but the material is very thick, especially around the ears. When you consider that these masks are worn almost exclusively in summer, rather unsuitable. The size Cob is for my Pre somewhat large, but I hope that he