I have the boys north face fleece in an extra large. What size do you think I should order this jacket in? I don't know if I would need a small or extra small. The boys larger fits me except the sleeves are to short?

Tech Specs:

Material:

[shell] HyVent DT; [lining] nylon 

Fabric Waterproof Rating:

20 PSI 

Fabric Breathability Rating:

625 g/m˛ 

Pockets:

2 hand 

Seams:

fully 

Venting:

no 

Hood:

yes 

Weight:

16.6 oz 

Recommended Use:

hiking, backpacking 

Manufacturer Warranty:

lifetime