Deluxe 100% Yak Hair Santa Beard Set w/Separate Mustache Yak hair This fine quality 100% yak hair and extra full beard is easily restyled. Professional quality Yak hair Santa wig and beard set typically used by professional Santas The wig is adjustable and ventilated for comfort and ease of wearing. The mustache is a separate lace backed one that is full and very realistic. The wig has a skin top insert for added realism.