Stay cool!

Stay cool! feels more like a slogan or a short product label than a fully defined item, so by our assessment it is hard to read it as anything with a clear category. That makes the main strength and the main weakness the same thing: it is memorable, but too little is said to know whether it is clothing, a gadget, a drink, or something else entirely. In practice, the name pushes an attitude rather than a concrete use, which leaves very little to judge beyond the tone. Compared with ordinary product names, it gives away almost no details and therefore sits at the vague end of the shelf. The only honest way to view it is as a phrase that suggests comfort or temperature control without telling the buyer how that would actually work. It remains dependent on context outside the name, because the name itself stops at the slogan.