The Arc'teryx Phase SL Crew Short Sleeve Top is a super-light base layer ideal for any athletic activities. It's breathable, quick-drying and so good at wicking moisture, you'll find yourself pulling it out of the drawer every time.
Mechanical stretch textile for unrestricted mobility—fabric is inherently stretchy without the use of spandex fibres, making it more durable.
Phasic SL (70% polyester, 30% polypropylene)
Anatomical shaping for fit and comfort
Minimal odor retention