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Don't forget to order your hipbelt with this pack - its included in the price! CLICK HERE!
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ÜLA Equipment Catalyst 75 Litre Rucksack
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The Catalyst remains our tried and true workhorse of the ULA Pack line.
In 2011 we swapped new materials for both side pockets and the logo panel. The side pockets are now 210 ripstop nylon which is tougher, lighter, and more snag resistant for any rambling adventure. The logo panel is now Cordura - super durable and abrasive resistant.
In the States if you head out on a National Scenic Trail, the chance of running into someone with a Catalyst on their back is pretty high. As such, the Catalyst is a great choice for multi-month treks, winter travels, or for folks transitioning down from monster packs into lighter loads.
Bottom Line? An updated-tougher, lighter - tried and true veteran for lightweight and long distance hikers.
Which ULA pack do we recommend for you? Find out here!
Our Verdict
ULA packs are mid range in terms of weight but thats because they've paid attention to durability and have produced a range of tough packs with very practical features designed by backpackers. The Circuit has an internal frame (removable) which enables it to transfer weight to the hips more effectively than a frameless pack - this means it will carry heavier loads.
Its capacity is 75 Litres but bear in mind thats when you add up all the various pockets and compartments - the main compartment is only 42 Litres so it may not compare well to that other 75 Litre pack you have in the garage. I would look at this pack and say its 52 Litres with lots of extra storage.
Nice features? Checkout the large front mesh pocket - ideal for a wet tent, large side pockets which don't require you to be a contortionist to use - and practical square hipbelt pockets.
Which size Catalyst pack?
The Catalyst pack comes in four backlengths and five hipbelt sizes, to find out which combination is right for you follow three easy steps:
| Step 1 - Measure you torso length by accessing the size chart below. |
Step 2 - Determine which back length pack you require. |
Step 3 - Using your normal waist measurement determine which hipbelt size is correct for you. |
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Small: 15"-18"
Medium: 18"-21"
Large: 21"-24"
XLarge: 24"+
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X-Small: 26"-30"
Small: 30"-34"
Medium: 34"-38"
Large: 38"-42"
X-Large: 42"+ |
Order your pack on this page and your hipbelt here.
Integrated Features
- Internal Frame
- Twin Stay Framesheet
- Contoured Shoulder Straps
- Front Shock Cord
- Front Mesh Pocket
- Dual Hipbelt Pockets
- Adjustable/Bellowed Side Pockets
- Rolltop Closure
- Side/Top Compression Straps
- Ice Axe/Pole Retention Loops
- Bear Canister Capable
- Dyneema Gridstop
Removable Features
- Hydration Sleeve (~ 40g)
- Internal Mesh Pocket (~ 30g)
- Water Bottle Holsters (~ 22g)
- Handloops (~ 22g)
Capacity Breakdown
- Main Body: 42 Litres
- Front Mesh Pocket: 10 Litres
- Side Mesh Pocket: 6 Litres each
- Ext. Collar: 10 Litres
- Hipbelt Pockets: 1.5 Litres each
Total Volume: ~75 Litres
Specification
- Rec'd Max Load: 40 lbs or less
- Rec'd Base Weight: 20 lbs or less
Weights: Of course weights vary depending on hipbelt size and torso length combination, so to determine the weight of you pack add the weight of the components together. As a guide a Medium Torso length pack with a Medium Hipbelt weighs 1330g / 2lbs 15oz.
- Small Torso pack excluding hipbelt weighs 1100g / 38.9oz
- Medium Torso pack excluding hipbelt weighs 1120g / 39.6oz
- Large Torso pack excluding hipbelt weighs 1142g / 40.3oz
- XLarge Torso pack excluding hipbelt weighs 1160g / 41.0oz
- XS hipbelt weighs 188g / 6.6oz
- S hipbelt weighs 200g / 7.1oz
- M hipbelt weighs 210g / 7.4oz
- L hipbelt weighs 220g / 7.8oz
- XL hipbelt weighs 256g / 9.1oz
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