The One Shirt-Jac provides lightweight warmth ready for any adventure. With articulated design features built-in stretch to provide superior flexibility and fit for an active lifestyle. Tapered fit. If you like a looser fit, you may want to go up a size.

• Ultralight lined jacket with thermal regulation and stretch for freedom to move
• Mikro Air Stretch shell fabric has a water-resistant finish
• Aeroknit lining for breathable warmth and comfort
• Knit underarm gussets provide breathability and release excess heat
• Articulated patterning for superior movement and fit