The ultimate warm weather top, the Smartwool Men's Merino Sport 150 Tank combines the performance benefits of Merino wool and polyester to give you unparalleled breathability, temperature regulation, odor resistance, durability, and quick dry times. With UPF 20+ this top will shield you from the sun to keep you going even on the hottest days. 

• Regular Fit
• Fabric combines the moisture management, temperature regulation, and odor resistance of Merino with the durability and quick dry time of polyester
• UPF 20+
• 56% Merino Wool, 44% Polyester