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Osprey Sirrus 24
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Osprey Tempest 20
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Awards  Editors' Choice Award  Top Pick Award  
Price $39.95 at REI
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$99.73 at REI
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$130.45 at Amazon
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$119.95 at Amazon
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$129.95 at Amazon
Overall Score Sort Icon
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Pros Insanely light, packs up super tiny, fits slightly larger peopleComfortable, lots of good features, water reservoir includedComfortable, well-ventilated, adjustable torso length, included rain coverAdjustable torso length, very durable, great features and pocketsMoves with you, durable build, well-balanced load carry, good pockets and carry options
Cons Nearly no features, only one big pocket, super thin fabric, can feel contentsOn the heavy side, expensiveHeavy, ill-fitting hipbeltRuns a bit small, front stow pocket a bit smallNo hydration reservoir clip (loop only), not meant for downpours, very long torso
Bottom Line An ultralight, super simple pack for ounce-countersAn excellent option for extended day hikes and all sorts of activities. Hydration bladder included!A great pack for those who hike in wet climates and who are on the smaller sideA comfortable and durable pack that works as well around town as it does out on the trailComfortable to carry even over long distances when fully loaded, with great balance and good features
Rating Categories Ultra-Sil Day Pack CamelBak Sequoia 22 Osprey Sirrus 24 Osprey Tempest 20 Black Diamond Nitro 22L
Comfort (25%)
3
9
8
7
7
Versatility (25%)
5
9
9
8
8
Weight (25%)
10
6
5
7
6
Ease Of Use (15%)
4
8
9
8
7
Durability (10%)
3
9
9
8
9
Specs Ultra-Sil Day Pack CamelBak Sequoia 22 Osprey Sirrus 24 Osprey Tempest 20 Black Diamond...
Weight (oz) 3 36 41 26 31
Volume/Capacity (liters) 20 22 24 20 22
Back Construction Lightweight nylon Ventilated back panel with molded pods Ventilated tensioned mesh AirScape backpanel; large spaced padding covered by large-holed mesh OpenAir backpanel; ridged foam covered by large mesh
Hydration None External hydration sleeve and 3L Crux reservoir included Internal hydration sleeve External hydration sleeve External hydration sleeve
Hipbelt No Yes Yes Yes Yes
Compartments 1 2 1 1 1
Rain Cover No No Yes No No
Additional pockets 0 7 5 8 5
Outside Carry Options Short daisy chain Trekking pole and ice axe attachments, side pocket, hip belt pockets (one zip), daisy chain, hydration hose clip Trekking pole attachment, ice axe loop, side strech pockets Lidlock helmet attachment, trekking pole quick-stow, large stretch front pocket, ice tool loop with bungee tie-off, side pockets, hip belt pockets, sunglasses shoulder stow, bike light loop Ice axe loops, dual 5-loop daisy chains, expandable side drink pockets, front stuff pocket, hip belt pocket, small zippered top pocket, four shoulder strap loops
Whistle No No Yes Yes Yes
Key Clip No Yes Yes Yes Yes
Materials 30D ripstop nylon 200D ripstop nylon, 400D plain-weave nylon 210D nylon body, 420D nylon bottom 70D x 100D nylon body, accent and bottom 420HD nylon packcloth 210D ripstop nylon, 210D Dobby Abrasion
Notable Features Packs into its own pocket, carabiner included Hydration bladder included, multiple pockets in both hip belts, internal storage pockets, exterior pocket felt-lined Integrated rain cover, ice axe loop, trekking pole attachment, adjustable back Helmet attachment, trekking pole quick-stow, sunglasses quick-stow, bike light loop, shoulder strap pocket, stowable ice axe loops Bike light loop, main zip opens all the way down, ReActiv shoulder straps connect to each other behind the waist and waist belt not attached to frame to facilitate twisting, front expandable pocket reinforced with internal structural foam panels
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