Thinking ahead - I had what I thought were my perfect summer pyjamas last year from Boux Avenue: silk, long pyjamas bottoms (with matching top that I didn't wear when it was really hot). I only like full-length bottoms and these ones were perfect for wafting around in! But they shredded in several places after only a couple of months. I can't see any lightweight cool PJs online that are full length and with no strappy top (feel trapped by the straps 
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Has anyone got any suggestions of shops/pjs..?