I ski not board and am about 5'10 155lbs. I was wondering since this is generally considered a boarding jacket if there would be any difference in the sizing. I was looking at a large but would a medium be a better fit?

Tech Specs:

Material:

[shell] InfiDry-20 (DWR-coated polyester); [lining] nylon taffeta, polyester tricot, polyester mesh lycra; [liner] 100% polyester microfleece 

Insulation:

[lining] 60g polyfill 

Fabric Waterproof Rating:

20000 mm 

Fabric Breathability Rating:

15000 g/m² 

Fit:

loose 

Pockets:

(shell) 2 front, 1 interior goggle, 1 chest, (liner jacket) 2 hand, (liner vest) 2 hand 

Seams:

fully taped