UltraFlask Speed 500ml TCRC Don’t drink while deep in

Don’t drink while deep in the middle of a Netflix marathon session or sending emails (unless

L/XL - Women's 9

It has allowed these athletes to drink their fuel on some of the longest and most intense events in the world when they can’t eat real food

yet supportive material supports while you train

Everyone is different

UltraFlask Speed 500ml TCRC Don’t drink while deep inPart of our ultra light series, the 500 ml is so light, you might forget you brought it. Weighing in at just over an ounce, its optimal hydration, no matter what kind of runner you are. Its pliable material conforms to most pockets, it shrinks as you drink to minimize water movement and it can be used with or without the tube. Topped with a new feature, the SpeedFill cap, makes aid station refills a breeze. Ultra light weight, ultra useful. Style