Personalized Kindergarten 100 Days Of School T-Shirt. Whether it's for a special school event or just to show off their achievement, our Kindergarten Survived 100 Days Of Me design is a must-have for every proud parent and their kindergartener. Get yours today and let your child shine with joy and pride! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.