I’ve only used this for 7 days, it’s in brand new condition (see pics). It’s a great pack but I’ve decided I need a larger 60L+ pack for winter trips and hunting.

Pictures here: https://imgur.com/a/oZ1x6XA

$290 + shipped to CONUS PayPal F&F or 3% fee for G&S

$40 extra for hip pockets (left & right side, VX21 fabric)

Base Weight: 19.8 oz

Total Weight w frame: 21.8 oz

Hip belt pockets: 2.15oz (1.07oz each)

Features:

• Torso Length: 22 inches (56cm)
• Belt size: 34.5 to 37.5 inch waist belt (85cm to 95cm)
• Volume: 38L + larger water bottle pockets, higher front pocket, 10cm extension collar (+~5L = ~43L+ total vs. default of 38L)
• Main body dimensions 15 x 30 x 85 cm

This pack includes additional features:

• Removable black aluminum tube frame stays; supports up to 25 lb. recommended weight
• video of how this works here:   https://www.youtube.com/watch?time_continue=31&v=jpl4SRwR2yQ
• 3D mesh for back panel (I think this breathes better, less sweat on your back)
• Back sit pad cord lashing loops
• Large/wider hip belts – 38mm
• Load lifters – 20mm
• Extension collar – 10cm
• 2 ice axe loops
• 4 loops at bottom

Custom features:

• Front pocket – 5cm taller for more space and to match longer 56cm torso length
• Side water bottle pockets – taller 24cm height and wider to accommodate two smart water bottles each or to hold a tent etc (see pictures). The default KS40 doesn’t hold 2 smart water bottles in each side pocket.

Fabrics:

• Pack body: X-pac X21RC in cloud grey
• Bottom: X-pac VX21 black
• Side pockets: X-pac VX21 black
• Waist belt and shoulder straps: Nylon 200D spectra diamond rip stop, newer 10 mm foam (thicker than older models), and 3D mesh inside.
• *note KS is out of X21RC cloud grey and VX21 black till 2021

More info and pictures here: https://www.ks-ultralightgear.com/p/je-vous-propose-un-modele-de-sac-dos.html

Review here: https://lighterpacks.com/2018/03/11/first-impressions-ks-ultralight-ks50-backpack/