Size Large, but more a medium (i'll measure it tonight, but I'd say its 22"p2p). BNWT. £75 delivered (what i paid).
Same as this

http://www.present-london.com/reigning-c...-crewneck-grey/

Ive got this, superb quality and i reckon it would last a lifetime. They do come up small though, like you say more a medium.