"Amphipod® Soft-Tech Essence-Lite Waistpack: The Amphipod® Soft-Tech Essence-Lite Waistpack is a lightweight running waist pack built for everyday runners who need to carry hydration and essentials without distraction. It ships with a 355mL (12 oz.) Soft-Tech™ soft flask and is designed around a bounce-free performance fit, so the pack stays stable during daily training runs and longer road efforts. The unisex design suits a wide range of runners looking for a no-fuss carry solution on the go.The insulating thermal sleeve holds the included soft flask at an angled position for quick, one-handed access mid-run. A breathable 3D mesh back panel sits against your body, reducing heat buildup during sustained efforts. The expandable main pocket fits large phones, nutrition, and keys, so you can consolidate your carry without adding bulk. The fully adjustable 1.5"" Grypton no-slip webbing belt keeps the pack positioned consistently through each stride, while rip-stop construction keeps the overall weight low without sacrificing durability.Why Our Fit Experts Love It""I grabbed this pack for a warm-weather long run and appreciated how the 3D mesh back panel kept things from feeling sticky against my back. The flask sleeve made it easy to hydrate without breaking stride, and the belt stayed put the entire time."" - Sean, Road Runner Sports Fit Expert, Chula Vista, CAWho It's Best ForThe Amphipod® Soft-Tech Essence-Lite Waistpack is best for everyday runners and road runners who want a lightweight, low-profile way to carry hydration and essentials on daily training runs, long runs, and tempo efforts. It works well for anyone who needs quick flask access and a secure, bounce-free fit without carrying a full vest or handheld bottle. If you prefer a streamlined carry solution that stays put without constant adjustment, this waist pack delivers the stability and accessibility you need. VIP Family members can take the Soft-Tech Essence-Lite Waistpack for a 90-Day test drive with our Perfect Fit Guarantee."