This layer combines the polished look of a blazer with the comfort of smooth cotton-blend fabric.By choosing Ralph Lauren cotton products, you're supporting the investment in the Better Cotton™ mission to help cotton communities survive and thrive while protecting and restoring the environment. This product is sourced via a system of mass balance and therefore may not contain Better Cotton™. Visit bettercotton.org/learnmore for more information about mass balance.Size medium has a 22.25" back body length and a 28" sleeve lengthSleeve length is taken from the center back of the neckNotch lapelsButtonhole at the left lapelTwo-button silhouetteLong sleevesCuffs with four decorative buttonsLeft chest welt pocketTwo front waist patch pocketsSingle ventUnlined Boys 8-20 Double-Knit Jacket