I've read the thread about compression socks and calf sleeves, but wonder if anyone has any further experience.

I'm asking as someone has recently bought me a 2XU compression top. Of course I was grateful for the thought and pressie, but it's a top rather than calf sleeves, and I don't bike or do triathlons so might have limited use. Nevertheless, it boosts magical cooling properties and a UV50 rating, so perhaps of some us in the summer? Quite frankly I'll grab at anything that might give me an edge , but perhaps this gear is just gimmicky?