The Smartwool Short-Sleeve Button Down Shirt truly lives up to its namesake. This smart-casual shirt can be quickly dressed up or down for whatever our daily adventures may hold. Flowy merino wool button-down for staying cool this summer. Merino wool helps fend off odors and regulate body temperature. Flatlock seams minimize chafing and maximize comfort. Approximate measurements: Please see pictures and video. Durable Comfortable Odor Regulating Moisture Wicking Quick Drying Flatlock Seam Construction Chaffing Resistant Tech Specs 56% Merino Wool, 44% Polyester Regular fit B16 Merino Wool Performance New Casual Travel Summer Preppy Office Business casual