Discontinued . Don't worry about pacing yourself; Icebreaker's GT Run Rush shirt is designed for the speed- and distance-loving fool in you, thanks to performance-oriented merino wool fabric and a move-with-you, ultralite design.

• Itch-free merino wool is temperature regulating, moisture wicking and odor resistant
• Mesh raglan sleeves and underarm panels
• Reflective trim
• Side stash pocket
• Thumbhole loops on cuffs
• Ultralight base layer
• Classic Fit
• Made in China
• US shipments only