The COS design team have created the perfect T-shirt for summer. It's crafted from soft and ultra light 100gsm organic-cotton jersey and cut for a breezy, relaxed fit. Wear it with shorts, jeans or tailoring – anything goes. - Relaxed fit, 100gsm- Round neck, short sleeves- Organic cotton is grown from non-genetically modified seeds without chemical fertilizers or pesticides 100% Organic cotton / Machine washable Back length of size M is 28.74" / Model wears a size M