Personalized Dog and Mouse Best Friends Men's V-Neck T-Shirt. Friends are always there for you - rain or shine. Dog and Mouse Best Friends Men's V-Neck T-Shirt - Athletic Heather features two scenes of this budding friendship from "Dog and Mouse" by Michelle Nelson-Schmidt. 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