The best get better. The ultimate triathlon pak carries up to 32 ounces of fluid or hundreds of calories. This season, the Speed 4 has been redesigned with smaller Flasks and better flask positioning and has incorporated the Race Cap the best way to consume gel on the course. Molded Holsters ensure our Speed Series remains the easiest for flask removal and replacement. Streamlined to reduce weight Molded Holsters for quick, onehanded Flask access Four 8 oz. 235 mL Nutrition Flasks two