Mountainsmith Cona 4 Hydration Lumbar Pack

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As an innovator in hiking lumbar packs since the 80’s we pride ourselves on relieving your shoulders of the weight from your trail essentials, and with the CONA 4 we’ve taken that idea one step further. We’re confident that this pack will be able to organize and carry all your trail essentials with the added benefit that there is no contact with your lumbar, creating a no-contact breezeway across your back that keeps you feeling cool and refreshed for your day hiking, biking, and achieving your day’s adventure goals.

This lumbar pack is equipped with a 1L hydration reservoir that allows you drink on the go. The main compartment features multiple elastic pockets & straps that are designed to keep your bike tools or trail essentials securely organized no matter how much bounding-around you get into. The ballistic nylon body fabric also offers superior water resistance in the most adverse conditions. The CONA4 also features the same hip-belt construction as our larger packs, creating unmatched comfort and support when wearing the packs for an extended period. 2 XL hip belt pockets make it easy to stow and access larger items while on the move.

Whether you’re out for a short ride or an all-day surfer-fest, the CONA 4 is a great companion to organize, carry, and summit with your adventure essentials. All Mountainsmith products come with the Forged for Life Guarantee, the official Mountainsmith lifetime warranty.

  • No-contact breezeway lumbar zone created by dual 15mm concave aluminum frame bars concave
  • Zippered front pocket with internal pockets and straps for tools
  • Zippered rear pocket holds included 1L lumbar hydration reservoir
  • Comfy air mesh hipbelt with large dual zippered hipbelt pockets
  • Dual side stretch mesh water bottle pockets
  • Dual 10mm side compression straps
  • 25mm elastic webbing bottom straps
  • 2mm PP frame board


  • Dimensions: 9″ x 6″ x 4″ (H x W x D)
  • Waistbelt: 28″ – 62″



Returns must be postmarked within 30 days of the original order date. All returns must be sent via a traceable source. When we receive your return at our warehouse it will take 1-4 business days to be processed.

Every order ships for FREE! Period. End of story. Need it faster? We have some shipping options so that your order will be delivered in the necessary time frame:
Free Economy shipping will arrive in 1-7 business days.
Ground shipping will arrive in 1-5 business days.
Two-Day shipping is guaranteed to arrive within two business days.
One-Day shipping is guaranteed to arrive in one business day.

Orders are typically processed within 1-2 business days. Orders placed after 1 pm EST, including 2nd Day and Next Day shipments, may not be shipped until the following business day. Most of our inventory is stocked and shipped from our facility in Morgantown, WV. In some instances to serve you better we will drop ship items directly to you from the manufacturer.

All of our packages are shipped via FedEx or the USPS.

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