Vela Dark Smoke Denım Jean Vest from Mavi s denim collection. Regular fit denim vest. Organic cotton production uses only natural fertilizers and pesticides, minimizing soil, water, and air pollution caused by chemicals, thus protecting both nature and your health. This product is also part of Mavi s sustainable All Blue collection. It is made with organic cotton. Organic cotton production uses only natural fertilizers and pesticides, minimizing soil, water, and air pollution caused by chemicals, thus protecting both nature and your health. This product is also part of Mavi s sustainable All Blue collection. It is made with organic cotton.