Product details - FOR: Commuting, work, and travel - FEEL: Cozy and comfy organic cotton is lightweight and breathable - FAVE: Scrunch them down for a retro slouchy fit that won't droop - Ribbing provides extra comfort - Product #513969 Size & fit - S/M = 4-6 1/2 - M/L = 7-9 1/2 Fabric & care - 90% Organic Cotton / 7% Polyester / 2% Elastane / 1% Polyamide - ORGANIC COTTON: Organically grown cotton is grown from non-genetically modified plants and without the use of synthetic pesticides and fertilizers. - Machine wash and dry. - Imported.