The SJ Ultra Vest is the result of collaboration with Scott Jurek, the worlds most dominant ultra runner. Weighing 11 ounces (16.5 with bottles and offering 7 L of storage space, the SJ Ultra Vest 2.0 has the best volume-to-weight ratio of any hydration pack on the market.
Designed and endorsed by Scott Jurek and updated for 2014.
SJ Ultra Vest 2.0 gives you the best weight to volume ratio of any pack of any kind while giving you an optimal feature set combined with contemporary styling.
Weighing 11 ounces without the included water bottles and 16.5 ounces with the two included Ultimate Direction 20 ounce bottles
The SJ Ultra Vest also gives you plenty of room for you gear with 7 liters of space, four gel or bar pockets, and two electrolytevaluable pockets.
The SJ Ultra Vest also accepts a 70 ounce reservoir (not included if your next run, event, or outing requires more water than the water bottles will provide.