• According to Mountain Hardwear: (all measurements in inches)
    Size ----- S ----- M -----L ------XL
    chest --36-38 -----39-41-----42-45----- 46-49
    sleeve ----33 -----34 -----35 ------36
    Center back length is 30.
    Answered on 9/8/2016 1:00:14 PM by Product Specialist Greg from Sierra Trading Post