How much bigger is the XL than the L? I ordered my son a Large, he normally wears 14's and it is pretty small on him. Smaller than we would like for it to be. If I exchange it for the XL is it going to be maybe just right or way big?

Tech Specs:

Material:

[Shell] Hyvent 2L (100% nylon) 

Insulation:

[Detachable liner] 100% polyester 

Waterproof Rating:

Not specified 

Breathable Rating:

Not specified 

Core Venting:

No 

Pockets:

[Shell] 2 front double-compartment, 1 internal goggle, 1 hidden media; [Liner] 2 front 

Seam Taped:

[Shell] yes, fully 

Powder Skirt:

Yes 

Hood:

Yes, removable 

Zip-in Compatibility:

Yes, liner included 

Recommended Use:

Skiing, snowboarding, snowsports 

Manufacturer Warranty:

Lifetime 

Country of Origin:

China