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Sierra Designs Flex Summit

Sierra Designs Flex Summit

Versatile and lightweight backpack for day hikes. Expandable volume from 18 to 23 liters.

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The opinion of Aventure Nordique

The versatile Flex Summit Sack is the perfect lightweight, go-anywhere pack for travel, day hikes, and quick summit treks. Its unique "flexible" volume quickly and easily expands from 18-23L providing on-the-fly adjustment for any adventure.


  • Expandable 18-23L volume

  • U-shaped top access zipper

  • Zippered stash pocket on lid

  • Stretch Mesh Side Pockets

  • Adjustable/removable webbing waistbelt

  • Hydration sleeve and port

  • Breathable airmesh back panel

Technical details

Manufacturer Sierra Designs
Product name Flex Summit
Article number 80710316
EAN 0540036791557
Volume 23 l
Model Unisex
Material 210D Nylon Ripstop
Accessories Compression straps
Dimensions Dimensions (L x W x D): 46 x 25 x 20 cm - Fits Torso Size: 41 - 48 cm - Fits Waist: 66 - 112 cm
Weight 330 g
Colour Blue


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