Layer one matters most. But will any flatter, fit, and keep you safe like our new thermal top? And as the months grow colder, lightweight grid fleece makes for a breathable base layer, too.

We love it for: running in the cold and dark

• 67% recycled polyester, 27% polyester & 6% spandex
  
• Lightweight grid fleece
  
• All-over reflective print
  
• Warm, stretchy & quick-drying
  
• Tailored fit 
  
• Flatlock seams
  
• Locker loop
  
• Elbow patches
  
• Hand wash cold & air dry to preserve reflectivity
  
• Designed in California, made abroad