Icebreaker will replace your garment within a year of purchase if it has been damaged by faulty fabric, stitching or manufacturing. Please return your garment as soon as possible so they can assess its condition and send you a replacement. Damage that occurs after a year is usually caused by wear and tear. Contact Icebreaker direct for warranty. http://us.icebreaker.com/en/customer-service/returns/service-returns.html