does this jacket fit big or small (or true to size)? Also, would you say that the sleeve length is fairly long or short?

Tech Specs:

Material:

[Shell] K2 Storm 95% nylon, 5% elastane; [Lining] polyester 

Insulation:

[Body] 60g Heat Keeper synthetic; [Sleeves] 40g Heat Keeper 

Waterproof Rating:

10K 

Breathable Rating:

10000g 

Core Venting:

No 

Pockets:

4 Front, goggle, pass, and media pockets 

Seam Taped:

Yes, fully 

Powder Skirt:

No 

Hood:

Yes, removable 

Zip-in Compatibility:

No 

Recommended Use:

Skiing, snowboarding, cold weather après 

Manufacturer Warranty:

1 Year