Personalized Testicular Cancer ribbon Toddler Long Sleeve T-Shirt. Testicular Cancer Toddler Long Sleeve Tee - Light Blue has royal blue awareness ribbon design for showing support. April is testicular cancer awareness week and month. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.