Personalized I Think Therefore I Cycle Toddler T-Shirt. I Think Therefore I Cycle! Those who think use their brains and make a difference in the world, and those who cycle make a difference in themselves! Great gift for your favorite deep thinker and bike riding athlete. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.