I'm 6 3, and skinny. Should I go with a medium or large?

Tech Specs:

Fabric Waterproof Rating:

10,000 mm 

Fabric Breathability Rating:

8000 g/m² 

Hood:

yes, fixed 

Length:

below hip 

Venting:

underarm mesh 

Pockets:

2 front hand, 2 front chest, 2 pass, 1 internal media, 1 internal mesh 

Seams:

critical seams taped 

Powder Skirt:

yes 

Wrist Gaiters:

no 

Recommended Use:

snowboarding 

Manufacturer Warranty:

1 year