From Patagonia:

Breathable, moisture-wicking running tights for longer days on the trail. Quick-drying, with HeiQ® Fresh durable odor control. Fair Trade Certified™ sewn.

• Quick-drying recycled polyester/spandex fabric with HeiQ® Fresh durable odor control for extended trail runs
• Two no-bounce side pockets for phone storage, snacks, map and more while you are on the move
• Mesh at backs of knees for added breathability
• Reflective logo at left hip
• Drawcord Waistband
• Made in Sri Lanka.
• Weight 221 g (7.8 oz)