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With an included water bottle, the Dart is ideal for trail runs or light day hikes. Built with 210d Robic Alkex, it’s equally light and durable for more miles under your feet.

Special Price $29.96 Regular Price $39.95
In stock

Whether you’re going for a run or a light day hike, fill up the included water bottle (FDA compliant, BPA free) and slide it into the Dart for hands-free running and easy access water. The zippered main compartment and key clip keep your phone and keys safe while the stretch mesh pockets accommodate gels and energy bars. The large format air mesh backpanel provides increased breathability while the Alkex ripstop ensure durability over a lifetime of miles. With the Dart, stay hydrated and stay moving. Just remember to plan your bathroom stops accordingly (runners, we’re talking to you). All Mountainsmith products come with the Forged for Life Guarantee, the official Mountainsmith lifetime warranty.


  • Large format air mesh backpanel for increased breathability
  • Single bottle holster
  • Zippered main compartment with key clip (sized to fit iPhone 8 and Galaxy S8)
  • Adjustable 1.5" waistbelt
  • Reflective highlights
  • Side stretch mesh pockets for gels and energy bars
  • FDA compliant water bottle (BPA free) with wide mouth flexible nozzle included
  • Lifetime warranty against manufacturer's defects


  • 210d Robic® HT Nylon with Alkex (Aramid) R/S 
  • 210d Nylon Embossed Liner


7.25" x 15.5" x 1.75" (W x H x D)


79in3 / 1.3 L


  • Up to 5 lbs


  • 6.4 oz / 0.18 kg