Click on the size to shop by size.
sock size | shoe size | ||
kids | women | men | |
XS | 9 – 12½ | ||
S | 12½ – 5 | ||
M | 6 – 9 | 4½ – 8 | |
L | 9½ – 12 | 8½ – 12 | |
XL | 12½ – 16 |
sock size | age |
infant | 3 - 12 months |
toddler | 1 - 2+ years |
other items | sizes |
baby one-piece outfits | 6 - 12 months |
baby bibs | one-size |
baby hats | one-size |
t-shirts | unisex XS, S, M, L, XL, XXL |
headbands | one-size, for youth and adults |
knit beanies/hats | one-size |
pillowcases | standard size pillow |
I am optimistic® white socks with lime green words. High quality athletic socks with arch support and breathable mesh. 72% cotton, 20% nylon, 6% polyester, 2% spandex. Machine wash cold, non-chlorine bleach only, tumble dry low. Made in the U.S.A.
Having a positive outlook makes all the difference in our experience of life. You are optimistic, and we hope these socks remind you of that important quality you have of always looking on the bright side!
Give your friends $10 off on their first order of $40+, and get $10 (in points) when your friend uses the coupon and places an order.
*Automatic free shipping on U.S. orders of $50+
delivered in the lower 48 states.
So far, we've donated 147,000+ pairs of notes to self® socks to women's shelters, our homeless brothers and sisters, and children in great need.