Published by at 24/07/2026 Smartwool Merino Sport 150 racerback tank top in a vibrant blue heather. This lightweight performance top combines the natural moisture-wicking and odor-resistant properties of Merino wool with the durability and quick-dry time of polyester. Designed for active use, it features a classic racerback silhouette for full range of motion and flatlock seam construction to minimize chafing. The breathable mesh-like knit makes it an ideal base layer or standalone piece for hiking, running, or gym sessions. Measurements: • Pit to Pit: 19" (38" doubled) • Length: 27"