Personalized Wee Bit O'Irish Men's V-Neck T-Shirt. Cute St. Patrick's Day Men's V-Neck T-Shirt - White with a cute smiling shamrock wearing a green derby says WEE BIT O' IRISH. Perfect for a 1st St. Patrick's Day. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem