Sakura Rivet installed on left sleeve! 13.5oz Rigid Denim. No. 7 denim gets its color from a plant based ash dye and is reinforced with indigo dyed sashiko thread. Over time, the fade of the indigo dyed sashiko thread contrasts with the sumi dyed denim, creating a personalized aging effect. Living up to its name, Century Denim is extremely durable, built to last a lifetime. *Please note that the back design differs depending on the size. Sizes 5 and 6 have a T-shaped split back design, while size 7 has a P-shaped split back design. 100% Cotton Made In Japan Product Code: KAP-302, KAP-302A, KAP302B