CANAL JEAN El mar Cotton Stretch Long T-shirt Ivory One size Original price: ¥4510 Brand new with tags. Design: This long-sleeved T-shirt is perfect for daily use, with a slightly relaxed sizing that makes it easy to wear on its own or layered. Material: Made from a soft and smooth cotton base. It also has excellent elasticity, which is a nice point as it doesn't feel restrictive when worn.