We recommend ordering your standard size. When in doubt, size up.Check your baby's skin periodically as you introduce Squid Socks to them. Avoid overnight use, unless you place socks over pants/leggings. Discontinue if irritation occurs.Colors: Solid blackFeatures:100% skin-safe tested silicone dots on inside cuff gently hold socks in place Silicone grips with size callouts on the bottom of sizes 6-12, 12-24, and 2T-3T help prevent slips and falls85% viscose made from bamboo, 12% nylon, 3% spandexMoisture wicking & temperature control propertiesButtery soft with hypoallergenic propertiesSuper absorbent and keeps tiny feet drierPre-washed (twice!)Seamless toeBreathableSquid Fit Technology- elastic bands in the cuff and around the foot's top and bottom arch for added comfort and flexibility