The Smartwool Merino 150 Lace Base Layer Long Sleeve combines unparalleled comfort with high-performance fabrication that wicks moisture, helps regulate temperature, and promotes airflow for all-day comfort. The slim fit silhouette stays close to the body and the merrow seams helps reduce skin irritation. Its crew neck, long raglan sleeves, and straight hem offer classic styling. The Little Guy guy logo rests at the left hem. 77% merino wool, 23% nylon. Machine wash, tumble dry. Imported. Measurements: Length: 26 in Chest Measurement: 34 in Sleeve Length: 30 in Product measurements were taken using size SM. Please note that measurements may vary by size.