A long-sleeve striped t-shirt is a must-have for every modern wardrobe and A long-sleeve striped t-shirt is a must-have for every modern wardrobe and has you covered with its playful take on the classic. Made in Japan from pure cotton, its olive green striped goal is interrupted by a block of white at the bottom of the sleeves and detailed with the label’s ever-present red heart motif stitched at the chest.