I wear a Large, but the fit for this jacket is loose...Should I get a Medium?

Tech Specs:

Material:

[shell] Active Tech nylon twill with DWR; [saddle clamp] mesh, taffeta 

Insulation:

[body] 120g polyfill; [sleeve] 80g polyfill 

Fabric Waterproof Rating:

10,000 mm 

Fabric Breathability Rating:

8000 g/m˛ 

Fit:

loose 

Venting:

underarm zips 

Powder Skirt:

yes, removable 

Pockets:

2 front, 1 goggle, 1 interior mesh stash, 1 interior media 

Seams:

critically taped 

Wrist Gaiters:

yes 

Hood:

yes 

RECCO:

yes 

Recommended Use:

snowboarding, skiing, all-season shell 

Manufacturer Warranty:

lifetime