The Arc'teryx Phase AR Zip Top is a mid-weight, base layer ideal for cooler temperatures and high-output activities. Wear it before you go running or hiking on cold winter days or layer it underneath your jacket. The Phase AR Zip Top is highly breathable, quick-drying and so good at wicking moisture.
Mechanical stretch textile for unrestricted mobility—fabric is inherently stretchy without the use of spandex fibres, making it more durable.
Phasic AR (81% polyester, 19% polypropylene)
Anatomical shaping for fit and comfort
Minimal odor retention
Hydrophobic materials will not absorb water.
Laminated chin guard
Quick-pull 1/2 length zip for easy venting