notes to self® 'I am strong'™ dark navy blue 'LITE-NOTES'™ socks with white words and pattern. 60% cotton, 29% nylon, 5% polypropylene, 4% polyester, 2% spandex. Machine wash cold, non-chlorine bleach only, tumble dry low. Made in the U.S.A. Our 'lite-notes'™ flat-knit socks have a lightweight feel and a slightly lower-profile fit. They're great for workouts or everyday wear.