Mountainsmith Day Lumbar Pack


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A classic just got better with the updated Mountainsmith Day Lumbar Pack. Whether for hiking, commuting, or traveling the Day Lumbar Pack will hold all your daily essentials – and more! Improvements include waistbelt mesh pockets, a wider shoulder strap pad, flat profile side bottle pockets, a dedicated internal iPad sleeve, and increased ergonomic fit with the Lumbar Control Point™ pad. Mountainsmith gets it right again.


  • Material: 420 denier Duramax™ HD Nylon, 210 denier Ripstop Liner, 450 denier Reforge™ PET Double Ripstop (100% recycled)
  • YKK® Zippers for long term strength
  • 3M™ reflective bungee
  • Bartack reinforcements at critical seams
  • Removable 1 inch shoulder strap with an updated 3 inch wide pad
  • Delta Compression System load levelers
  • Airflow Waistbelt with tuck-away feature
  • Diamond air mesh with anti-sweat DWR finish
  • Lumbar Control Point™ pad
  • Low profile side bottle pockets fit SIGG™ and Nalgene-style water bottles
  • Back panel airline ticket sleeve pocket
  • Bottom 3/4 inch compression straps
  • Dimensions: 13 in x 12 in x 8 in
  • Volume: 854 cubic in
  • Weight: 1 lb 12 oz
  • Fit: 28 in – 52 in

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Mountainsmith Day Lumbar Pack Photo

Asphalt Grey, Golden Yellow, Heritage Black, Heritage Cobalt, Heritage Red, Pinon Green, Salsa Red and Twilight Blue.

Available sizes, while supplies last, include size and size one size: one size, .

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