Lululemon Ribbed Modal-Silk Blend Long Sleeve Shirt ribbed, silk-blend modal fabric Soft Four-way stretch Sweat-wicking Quick-drying Ribbed texture Fabric is derived from responsibly sourced wood-based materials features This garment was treated with No-Stink Zinc™ to inhibit the growth of odour-causing bacteria on the fabric Smoke free home Gently used, maybe worn once or twice, Very nice with no major flaws or stains.