The KS Ultralight Gear KS 3 is a frameless roll-top backpack with a listed volume of 34 litres and a weight of 244 g, one of the lightest full-size packs in its class — roughly 7.2 g per litre. The main body uses LiteSkin LS07 ripstop nylon with a tougher 330D Cordura base for ground-contact abrasion, and the fabric carries a standard DWR coating for light weather resistance rather than full waterproofing.
Carrying comfort is deliberately minimal: the hip belt is unpadded webbing that can be removed entirely, there are no load lifters, and support relies on a frameless back panel. A removable chest strap, one stretch-mesh front pocket and two stretch-mesh side pockets round out storage, with no compression straps for partial loads. It's built for thru-hiking and multi-day trips of roughly three to five nights, where every gram in the pack itself counts toward a sub-kilogram "big three" target.
Given the unpadded belt and lack of frame, this suits hikers already running light loads rather than anyone carrying heavy food or water reserves.
Specifications
Total Volume
34 l (8.98 gal)
Weight
244 g (8.6 oz)
Back System Type
Frameless
Frame Type
Frameless
Removable Hip Belt
✓
Chest Strap
✓
Gender-Specific Fit
Unisex
Main Fabric
LiteSkin LS07
Fabric Type
Ripstop nylon
Bottom Fabric
330D Cordura
Water Resistance
Water-resistant (DWR)
DWR Coating
Standard DWR
Main Compartment Access
Roll-top
Front Pocket Count
1
Front Pocket Type
Stretch mesh
Side Pocket Count
2
Side Pocket Type
Stretch mesh
Compression Straps
None
Intended Use
Thru-hiking/Ultralight, Multi-day trekking
Recommended Trip Length
Multi-day (3-5 nights)
Volume/Weight Ratio f(x)
139.3 l/kg
Weight per Liter f(x)
7.2 g/l
Pack Style
Ultralight pack
Hip Belt Type
Webbing only
Rolltop Closure
✓
Where to buy
Failed to load offers.
Category context Hiking Backpacks (407 products)
Weight
Ultralight· mainstream zone 574–1283 g· ranked 2 of 130
244 g
33 g 6050 g
Total volume
Compact· mainstream zone 38–60 l· ranked 329 of 407