I don't whether to get the Small or Medium for this jacket. The Shaun White collection is said to be 1/2 size smaller than normal and a bit tighter fitting than sig fit. I bought a Burton Snowboard Jacket in 2006, sized Medium and it is slightly too big. Please help!!

Tech Specs:

Material:

[Shell] Durashell 2L; [Lining] printed taffeta 

Insulation:

None 

Waterproof Rating:

10K 

Breathable Rating:

5000g 

Core Venting:

Underarm zips 

Pockets:

2 Front, 1 chest, 1 sleeve, 1 audio, 1 goggle, 1 pass 

Seam Taped:

Yes, fully 

Powder Skirt:

Yes 

Hood:

Yes 

Zip-in Compatibility:

No 

Recommended Use:

Borrowing Shaun's style 

Manufacturer Warranty:

1 Year