Men's Mountain Hardwear Clothing Size Chart 

Men S M L XL XXL
Chest 36-38"    39-40" 41-43" 44-46" 48-51"   
Sleeve 33" 34" 35" 36" 37"
Waist 29-31" 32-33"    34-36"    37-39"    41-43"
Hip 36-38" 39-40" 41-43" 44-46" 48-50"
Inseam Short: 30 Regular: 32 Long:34

How to Measure

Chest - Measure around your upper body, under your armpits and over the fullest part of your chest and shoulder blades.
Waist - Bend to one side to find the natural crease of your waistline.
Inseam - Measure a pair of pants that fit you well. Measure along the inside of the leg from the crotch to the hem.