Smartwool Mens Short Sleeve Everyday Merino Wool Blend Polo Size Small NWT * Colors: Copper Heather * 53% Merino Wool, 39% Polyester, 8% Hemp * Super Breathable * Moisture Wicking * Odor-Resistant * Quick Dry * Pullover Closure * Made in Vietnam * Machine Wash Cold Measurements: * Armpit to Armpit: 19.5 in * Top of Collar to Bottom: 30 in * Shoulder (seam to seam): 16 in Please compare these measurements to something you own before purchasing