Personalized I Love Mr Darcy Youth Long Sleeve T-Shirt. Mr Darcy is the dream conquest of any lady modern or vintage, and this classic I Love Mr Darcy design on Youth Long Sleeve T-Shirt - White makes a perfect gift or stocking stuffer for the Jane Austen fan. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)