Add a little edge to your baby's wardrobe. Rattle Me is the place to find cool baby boy clothes including this Blue Skull design on a blue baby thermal tee. Hip baby clothes can still be soft and 100 percent organic. Your trendy baby boy will thank you for his thermal long sleeve t. This organic cotton tee is available in 3/6 months, 6/12 months, 12/18 months and 18/24 months.