This black long-sleeved T-shirt is made from interlock organic cotton, a double-layered knitted jersey that's soft, durable and warm. It's cut in a relaxed shape and has a classic crew neck. Relaxed fitOrganic cotton is grown from non-genetically modified seeds without chemical fertilisers or pesticides Shell: 100% Organic cotton. Trims: 100% Cotton. Excluding trims / Machine wash Back length of size M is 65.3cm / Model wears a size M