Uniqlo do have a good size guide ;- I purchased a camel wool and cashmere coat-"Chesterfield" style name - on sale now for half price- I took a size Small - it would be nice if more people would leave their own measurements and coats measurements to avoid returns -here goes;- Coat;- S measurements:- shoulder seam to shoulder seam14" - 36" chest- 40" length- underarm to wrist 17" on regular ( too long -I need 15" will alter) - 36"hip- My measurements;- 5ft Tall- 36B bust - 29" waist -35" hip- there is enough room for a fine wool sweater - a Med would have been to roomy on shoulders and hips -this is a fine light weight / smart coat - 70% wool 30% Cashmere- -(My only quibble would be -to send it in a polythene bag and not just folded into a 13 x 13 inc bag - - MW