Straight trousers weight: 400; Composition: 100% Organic Cotton weight: 400; Certification: GOTS (Global Organic Textile Standard) Weight: 400; Technical description: 13 Oz Organic Cotton 3:1 Twill Dyed Black Thread Weight: 400; Special feature: Organic cotton is grown naturally without the use of chemicals. Weight: 400; Buttons and rivets are made of Zama, a completely nickel-free alloy composed of 4 metals (aluminium, copper, zinc and magnesium); it is completely hypoallergenic. weight: 400; Original patch, made from recycled Par.co denim fabric and cork. weight: 400; Internal label with logo in GOTS-certified organic cotton. weight: 400; External label produced with plantable papers.