COS Stores PortugalThis ribbed tank top is the perfect basic to wear on its own or layered underneath overshirts and cardigans. Spun from soft organic cotton-blend jersey, it’s cut for a slim fit and has a scooped neck and wide armholes for comfort.- Organic cotton is grown from non-genetically modified seeds without chemical fertilisers or pesticides70% Organic cotton, 25% Recycled cotton, 5% Elastane / Machine washBack length of size M is 69.6cm / Model wears a size M