Personalized Intelligent Triangle Light Men's V-Neck T-Shirt. Triangle with the letter A in the word triangle replaced with a percussion triangle with text, the instrument for intelligent people, is a funny gift design with attitude for percussionists, music teachers and students in orchestra and concert band. 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