From Volcom

The Mountainside Tech short sleeve tee is a medium weight cotton polyester blend that efficiently moves sweat away from the body so you can stay comfortable on your next athletic endeavour.

• Modern fit
• Medium weight 65% ring spun Cotton / 35% Polyester
• V.Co-Tech Attribute – QUICK-DRY, high-performance fabric that moves sweat away from the body
• Soft hand screen print
• Crew neck with self neck tape
• Interior screen printed neck label