Worn once for a hike. I wash all my athletic gear together, on gentle cycle, cold water and hang to dry. No known flaws. Switching out to wool. I also have in my closet: Colorescie ce, Byron Lars, Anthropologie, vintage, Lululemon, Karen Millen, SKIMS, Black Halo, Old Gringo, Miss L Fire, Trashy Diva, Hammitt Los Angeles, Rab, Tracy Reese