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Best first overnight volume

REI Co-op Trail 40

REI · Lower mid · Moderate

Around 40 liters is enough for a fair-weather night if you are disciplined.

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Most first overnights do not need 65 liters. Extra volume becomes extra stuff. The Trail 40 class is the reminder. If your bag is a large synthetic mummy, you may need more pack. Try the load at home before you are standing at the trailhead.

Who should buy it. New overnight hikers with a modest kit and a short distance.

Best for. A first overnight with a compact kit

Standout limitation. You will outgrow it if the sleep system is bulky

A 40-liter overnight pack standing on trailhead gravel

Specs

Volume
About 40 L
Use
Overnight, disciplined
Frame
Light overnight

Pros

  • Right size for many first nights
  • Easier to lift
  • Less expensive than a flagship 65

Cons

  • Tight with bulky sleep gear
  • Not a winter pack

Not sold on Amazon US.

Closest on Amazon: Osprey Stratos 36 Hiking Backpack (men's). A ventilated-back hiking pack from Osprey for day hikes and light overnights. At 36 liters it is a little smaller than the Trail 40.

See Osprey Stratos 36 on Amazon

Check current price on the listing.

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