The result of collaboration with ultra runner Scott Jurek, the Ultimate Direction SJ Ultra Vest offers the best weight-to-capacity ratio of any hydration pack on the marketweighing a featherlight 7.5 ounces (13 with bottles) and offering 9.2 L of storage space for apparel, accessories and essentials. The SJ Ultra Vest packs dual 20 oz bottles in front for quick access to help keep you hydrated on the trails.
Comments: Just took on 14 mile run. Bottles were full, very little bounce if any. Plenty of capacity to hold gels, bars, keys, phone, etc. Water does slosh as consumed but becomes white noise after a while. Bag is super light. I has some chafing under my arm wearing sleeveless shirt- perhaps I need to adjust better. From: Harvey, Portland, OR
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