Chambray J Brown B Collection Women's Chambray Shirt Blue BIG W Elk Arbet Jean Chambray Blue Chambray J Brown Denim vs Chambray: A Detailed Guide to Their Differences. The Arbet Jean features an extra high waist and wide leg, crafted from 100% cotton. Bold front pleats sit underneath a wide neat waist band, finished with a sash tie belt for easy adjustment. Pair with the Arbet Denim Jacket in Chambray Blue for a bold double denim ensemble. 100% Organic Cotton