Woolino products are protected by the industry-leading warranty against manufacturer's defects. Woolino sleep bags come with ONE year warranty, and all other products receive 6 months warranty from the date of purchase. Please retain your receipt as proof of purchase, and follow Care Instructions carefully to ensure you get the best possible wear from your garment. In the unlikely event something goes wrong and you find your product to be defective, please Contact us. The best way is to email us a photo of the problem area so that we can assess its condition and advice how we can help.