Material: 100% linen, an eco-friendly fiber made from premium flax fiber sustainably grown in Western EuropeFully lined with 100% cotton lining Breathable, durable, hypoallergenic, lightweightFabric covered button closureDesigned to be buttoned and worn alone, or can also be unbuttoned as a layer over a cami or t-shirtThis material is certified by OEKO-TEX Standard 100 (Certificate Number: BJ015 196153) which ensures that no hazardous substances are presentMade with care in Shenzhen Guangdong, China100% European LinenBreathableExpert Craftsmanship 100% European Linen Vest