o kiu Ribbed Tank Top LIB 6583 LIB Rib Knit Tank Top Old Navy Women's Ribbed Tank Top Multipack Old Navy Rib Knit Tank Top Old Navy Rib Knit Seamless Tank Top Old Navy Ribbed Tank Top. The Todos Tank is your everyday essential with a flattering, supportive fit. Made from 100% certified organic cotton in a 4x1 ribbed knit, it hugs in all the right places and holds its shape wear after wear. Biodegradable buttons made from casein and plant protein add a thoughtful touch to this consciously crafted staple. Wear it tucked, layered, or on its own, this one does it all. Fit: Model is wearing size S. Fitted, 4x1 gauge ribbed knit. Material: 100% Certified Organic Cotton. Biodegradable Buttons made from casein and plant protein Care: Machine wash cold with like color. Tumble dry low. Do not bleach. Cool ironing. Origin: Made in Los Angeles, CA