Polykay

As of my last knowledge update in October 2021, there is no widely recognized concept, product, or term specifically known as "Polykay." It's possible that "Polykay" could refer to a company, product, brand, or concept that has emerged after my last update, or it may be a niche term not broadly known. If you could provide more context or specify what field or industry "Polykay" pertains to (e.g.