If youre looking for a tank that will improve aerodynamics decrease muscle fatigue naturally cool and provide maximum comfort over long distances revolutionary new tri enduro mesh used on the back of the 226 tri tank wicks moisture away fast vapour cool uses nano crystal technology to keep the body cool and promote fast wicking on the front and lower back panels two large rear pockets across the lower back give you plenty of room to store the nutrition you need within easy reach in a plac