Built for ultimate freedom and mobility, the Black Diamond long-sleeve Rhythm Tee features Nuyarn merino wool technology - making it ultra-light, while increasing performance at the same time. The Rhythm's Nuyarn fabric dries five times faster than standard merino, while providing 35% more stretch. This means the Rhythm Tee is the world's lightest ultimate high output, breathable layer or trail running shirt.

Black Diamond LS Rhythm Tee Features: 

• Featuring Nuyarn Wool—a superior merino wool fabric technology that’s lighter, stronger and dries faster than standard merino
• Machine washable
• Certified non-mulesed Australian Merino Wool
• Slim Fit
• Weight: 121g