The 10oz organic cotton basketweave upper and slim jute sole create an elegant shoe that elongates your foot while maintaining breathability.Materials:Upper: 10oz 100% organic cotton basketweave fabric.Lining: Undyed 100% cotton twill fabric made from 50% BCI cotton and 50% recycled cotton.Base: 100% authentic and biodegradable jute.Outsole: Undyed rubber made from 68% naturally derived sources.Heel Pocket: Microsuede partially made from recycled content.Heel Pad: 100% linen.Soludos Sun: Recycled polyester thread.Fit true to size.Like the heritage version from Spain, these espadrilles come in full sizes and are made to be flexible and adaptable to natural foot variations. Select whichever size range you typically fall into. For example, if you typically wear an 8 or an 8.5, select the size 8-8.5.Heads up, these are meant to feel a bit snug out of the box and mold to your feet within 15-30 minutes of wear.