Personalized Kitten It's My First Valentines Day T-Shirt. Give the gift of love and cuteness this Valentine's Day with our "My First Valentine's" kitten apparel. It's a wonderful way to create lasting memories and capture those adorable moments. 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.