Atmos 65~NEW!
Thru-hiking/Overnight to extended trips
65 Litres /
~ 4,000 Cubic Inches

Atmos 50~NEW!
Thru-hiking/Overnight to extended trips
50 Litres /
~ 3,100 Cubic Inches

Argon 110
Expedition Backpacking, Mountaineering
110 Litres /
~ 6,700 Cubic Inches

Argon 85
Extended Backpacking Trips
85 Litres /
~ 5,200 Cubic Inches

Argon 70
Overnight to Full Week Backpacking Trips
70 Litres /
~ 4,300 Cubic Inches

Aether 85
Backpacking, Mountaineering
85 Litres /
~ 5,200 Cubic Inches

Aether 70
Backpacking, Mountaineering
70 Litres /
~ 4,300 Cubic Inches

Aether 60
Backpacking, Mountaineering
60 Litres /
~ 3,700 Cubic Inches

Stratos 36
Full - Day Adventure
36 Litres /
~ 2,200 Cubic Inches

Stratos 34
Day Hiking, Scrambling
34 Litres /
~ 2,100 Cubic Inches

Stratos 26
26 Litres /
~ 1,600 Cubic Inches

Stratos 24
Day Hiking, Peak Bagging
24 Litres /
~ 1,500 Cubic Inches

3L/100 oz. HydraForm™ Reservoir
Hydration Reservoir
3 Litres /
~ 200 Cubic Inches

2L/70 oz. HydraForm™ Reservoir
Hydration Reservoir
2 Litres /
~ 100 Cubic Inches

HydraForm™ Delivery System
Replacement delivery system

HydraForm™ Magnet Kit
Detachable magnet kit

Hydraulics™ Insulated Delivery System
Insulated Delivery System

Hydraulics™ Cleaning Kit
Reservoir Cleaning Kit