SmartWool 150 Baselayer W LS

A top like this will be useful year round: it keeps you cozy during cool summer evenings, as your pajama in your sleeping bag during fall excursions, and as the base layer for frosty conditions. 87% Merino wool, 13% Nylon 150g/m² material weight, relatively thin Flat lock seams reduce the risk of chafing Machine wash with fine cycle and wool detergent