MAGCOMSENMen's Trucker Jackets Winter Casual Coat Warm Cotton Cargo Jackets with 5 Pockets

I'm usually a uk xl, what size should i go for?

sizes what size for a 46inch chest

What size chest is xl

Hi, how good is this at keeping you warm when temperatures go close to 0? (With just a shirt on and no jumper)? Thank you