The COS design team have created the ultimate feel and fit with our durable yet feather-light tee. Crafted from soft 160gsm organic cotton-jersey, this pack of three is designed to keep your wardrobe replenished, so you'll always have one to hand. They're cut for a classic shape, making them ideal for layering or wearing solo. - Regular fit, 160gsm- Ribbed round neck, short sleeves- Organic cotton is grown from non-genetically modified seeds without chemical fertilisers or pesticides 100% Organic cotton / Machine washable Back length of size M is 70cm