Our 2018 Awareness T-Shirt emphasizes that it is only if we all join forces that we will overcome DIPG: Together We Will Defeat DIPG! These are Blue Hanes Cool Dri Performance Shirts, 4 oz. 100% moisture-wicking polyester with UPF 50+ sun protection. The back of the shirt is the most meaningful part, though, with the names of over 400 children who have battled or are battling DIPG brain cancer. Free U.S. Shipping.