Mate, unless you've contracted AIDS since we last met, your an XL...!!
I certainly am!
If it's the lob on, knock about, shirt type fleece your after, Primani (Primark) do a cracker for about 8 quid, pockets too... I bought 'em to wreck & ruin in a weeks graft but they go on an on... Feck all that 'named' huntin gear stuff, Like I said, for knock about, warm tops, I'm deffo gettin a few more...