Most of the brands sizing charts put me in a large, but special blend sizing chart looks like I would be a xs or s. there is no hip measurement listed. My hips measure 38 and my waist 29. What size would I fit best in?

Tech Specs:

Material:

[shell] polyester, waterproof breathable membrane; [lining] closed-cell mesh, printed taffeta 

Fabric Waterproof Rating:

15,000 mm 

Fabric Breathability Rating:

10,000 g/m² 

Insulation:

none 

Fit:

Liberty (relaxed) 

Venting:

inseam 

Side Zips:

yes 

Gaiters:

yes, with boot hooks 

Seams:

fully taped 

Waist:

adjustable waistband, belt loops 

Pockets:

2 hand, 2 back 

RECCO:

no 

Recommended Use:

snowboarding, winter activities 

Manufacturer Warranty:

1 year