Ultralight gear, head to head
The decisions that account for most of the weight in a backpacking kit, each one argued with the mechanism and the numbers rather than with adjectives. Eight of them are category choices: quilt or bag, filter or chemical, poles or freestanding. The rest are model against model, for once the category is settled. Every page gives the verdict in the first paragraph, then spends the rest of it explaining who the other answer is for.
Researched from published manufacturer specifications and verified owner reviews. We do not test gear in person.
- Aquamira Drops vs SteriPen: Chemical or UV Treatment?Aquamira drops or a SteriPen? Drops weigh almost nothing and need time. UV is instant but needs clear water, batteries and a... Open →
- BearVault BV450 vs Ursack Major: Check the Local Rules FirstBearVault BV450 or Ursack Major? A hard canister is accepted almost everywhere. An Ursack is lighter but is not permitted in many... Open →
- BRS 3000T vs Soto WindMaster: 25 g vs 87 g, Which to BuySoto WindMaster vs BRS 3000T: 87 g and under $100 against 25 g and under $25. The BRS wins in still air; in wind the WindMaster... Open →
- Budget Quilt vs Premium Quilt: What the Money BuysBudget or premium backpacking quilt? Fill power, baffle construction and draft control separate them. Temperature ratings are not... Open →
- Canister vs Alcohol Stove vs Cold SoakingCompare cook systems, not stove weights. Alcohol wins short trips, canister pulls level near day five, and cold soaking is a flat 2... Open →
- Carbon vs Aluminium Trekking Poles: How Each One FailsCarbon or aluminium trekking poles? Carbon is lighter and stiffer. Aluminium bends where carbon snaps, which matters if the pole... Open →
- Cascade Mountain Tech vs Black Diamond Distance PolesCascade Mountain Tech or Black Diamond Distance poles? The Cascade poles cost a third as much and work. The Black Diamond locks and... Open →
- Down vs Synthetic Insulation: Which to BuyDown is two to three times warmer per ounce and packs far smaller. Synthetic wins outright when wet is guaranteed. Fill power... Open →
- Filter vs Chemical Water Treatment: Carry BothFilters remove protozoa and bacteria but not viruses. Chlorine dioxide covers viruses and needs up to 4 hours on crypto. The... Open →
- Frameless vs Framed Pack: Where the Line IsA frameless pack carries well to about 25 lb total and badly above 30 lb. Here is the arithmetic that decides it, the middle... Open →
- Frogg Toggs vs Outdoor Research Helium: Cheap Rain Gear WorksFrogg Toggs Ultra-Lite2 or Outdoor Research Helium? The Frogg Toggs costs a tenth as much and keeps rain out. It tears, and it does... Open →
- Inflatable vs Foam Sleeping Pad: R Value and RiskAn inflatable pad gives R 4.5 at 13 oz where foam gives R 2.0 at 14 oz, but foam cannot fail. R value by season, the stacking... Open →
- MSR PocketRocket 2 vs Soto WindMaster: Weight, Wind, PricePocketRocket 2 vs WindMaster: 73 g and under $50 against 87 g and under $100. The WindMaster adds a regulator, igniter and a... Open →
- NeoAir XLite NXT vs Nemo Tensor: Warmth, Noise and WeightTherm-a-Rest NeoAir XLite NXT or Nemo Tensor? The XLite is lighter and warmer per ounce. The Tensor is quieter and more stable to... Open →
- Nitecore NB10000 vs Anker Power Bank: Grams per Watt HourNitecore NB10000 or a standard Anker 10,000 mAh bank? Same capacity, roughly half the weight, twice the price. The maths depends on... Open →
- Osprey Exos 58 vs Granite Gear Crown3 60: Frame or Weight?Osprey Exos 58 or Granite Gear Crown3 60? The Exos carries heavier loads more comfortably. The Crown3 is lighter and strips down... Open →
- Petzl Bindi vs Nitecore NU25 UL: Headlamp Specs ComparedPetzl Bindi vs Nitecore NU25 UL: 35 g and 200 lumens against 45 g and 400 lumens. Runtime, charging and strap compared, and which... Open →
- Platypus QuickDraw vs Katadyn BeFree: Flow, Weight, LifePlatypus QuickDraw vs Katadyn BeFree: 3 L/min vs 2 L/min, both rated 1,000 L. The QuickDraw backflushes and fits Smartwater... Open →
- Quilt vs Sleeping Bag: Which Is Right for You?A quilt saves 8 to 14 oz over a sleeping bag at the same rating by deleting crushed down, the hood and the zip. Who that suits, who... Open →
- Rain Jacket vs Poncho for Backpacking: Wind Decides ItRain jacket or poncho? A poncho covers you and your pack and ventilates far better. In wind it flaps, lifts and stops protecting... Open →
- Rechargeable vs AAA Headlamp for BackpackingRechargeable or AAA headlamp? Rechargeable is lighter and cheaper to run. Replaceable cells let you carry spares and never depend... Open →
- Sawyer Mini vs Sawyer Squeeze: The Cheaper One Costs You TimeSawyer Mini or Sawyer Squeeze? The Mini is lighter and cheaper. It also flows far more slowly, and that difference gets worse as it... Open →
- Sawyer Squeeze vs Katadyn BeFree: Flow Rate or Lifespan?Sawyer Squeeze or Katadyn BeFree? The BeFree flows faster out of the box. The Squeeze lasts far longer and can be backflushed... Open →
- Six Moon Lunar Solo vs Big Agnes Copper Spur HV UL2Lunar Solo or Copper Spur HV UL2? A single wall trekking pole tent against a freestanding double wall. Condensation and pitch sites... Open →
- Tarp vs Bivy: Two Different Ways to Sleep LightTarp or bivy? A tarp gives space and airflow but no floor or bug protection. A bivy is weatherproof and claustrophobic, and it... Open →
- Toaks 550 vs 750 Titanium Pot: Weight, Size, Which to BuyToaks 550 vs 750: the 750 weighs 103 g with lid, the 550 Light 72 g. The 750 holds a meal plus a drink and nests a 110 g canister... Open →
- Trail Runners vs Hiking Boots: Which Is Right for Backpacking?Trail runners versus hiking boots for backpacking, compared on weight, energy cost, drying time, durability and support, with the... Open →
- Trekking Pole Tent vs Freestanding TentA trekking pole shelter can hit 20 oz where a freestanding tent is near 40, because the poles are already in your hands. What that... Open →
How these comparisons are written
Every one of these starts with the mechanism, because once you know why a thing is lighter you can tell whether the saving applies to you. A quilt is lighter than a sleeping bag because the down underneath you is compressed flat and does no work, so deleting it plus the hood plus the zip saves real weight and costs you draft control. A trekking pole shelter is lighter than a freestanding tent because the poles are already in your hands and the tent poles simply stop existing, which is worth nothing at all if you do not hike with poles. The number follows from the mechanism, and the mechanism tells you when the number is a lie.
Each page then says plainly who should choose the heavier answer. That is the part most comparisons skip, and it is the part that makes the rest credible. A restless sleeper is better off in a bag. A hiker who camps on wooden tent platforms and rock slabs is better off with a freestanding tent. Someone doing a week of sustained Pacific Northwest rain is better off in synthetic insulation than in down. None of those people are doing it wrong.
The figures come from published manufacturer specifications for the exact size and configuration named, cross-checked against verified owner reviews. We do not test gear in person and will not pretend to. Where two brands are measuring different things and calling them the same thing, the page says so. Weigh your own kit on a kitchen scale before you trust any total, including ours, and put the real numbers into the gear list builder.
Three of these comparisons touch things that can hurt you, so they carry warnings rather than only recommendations. Sleeping bag and quilt temperature ratings are survival ratings, not comfort ratings, and the comfort figure usually sits 10 to 15 degrees Fahrenheit warmer than the published limit. A warm quilt over a cold pad does not work, because the ground pulls heat out of you far faster than the air does. Hollow fibre water filters remove bacteria and protozoa but not viruses, and a single freeze cracks the fibres with no visible sign at all.
Going ultralight must not mean going unprepared. On every one of these category decisions the lighter option is a legitimate choice and the heavier option is a legitimate choice, and on none of them is "carry nothing" a choice. Shelter adequate to the real conditions, insulation, rain protection, navigation, water treatment and a way to call for help are fixed costs. You are responsible for what you walk into. Pair these pages with the reference charts, the gear guides and the complete buildouts.
Model against model, once the category is settled
Water. This is where the most gear is bought and the least is understood. Sawyer Squeeze against Katadyn BeFree and Platypus QuickDraw against the BeFree come down to whether an element can be properly backflushed, the Mini against the Squeeze is about flow rate rather than safety, and Aquamira against a SteriPen is chemical patience against an electronic device that can fail. None of these remove chemicals, heavy metals or algal toxins, and none of the filters touch viruses.
Sleeping and shelter. NeoAir XLite against the Nemo Tensor and a budget quilt against a premium one both end in the same place: the pad under you decides more than the insulation over you, and a rating figure is not comparable between brands. For shelter, the Lunar Solo against a Copper Spur and a tarp against a bivy are both decisions about how much margin you keep for the night the forecast is wrong.
Kitchen. The BRS 3000T against a Soto WindMaster and the PocketRocket 2 against the WindMaster are both about wind, where a cheap stove wastes fuel by the canister. Toaks 550 against 750 is settled by whether you want a meal and a hot drink from one boil. No canister stove belongs inside a tent, at any price.
Poles, light and power. Carbon against aluminium poles is a question about how each one fails, which matters most if your shelter is pitched with them. Cascade against Black Diamond is about locks and grips rather than shafts. For light, the NU25 against the Bindi and rechargeable against AAA, and for power, the NB10000 against a standard Anker bank, which is a straight grams per dollar calculation.
Rain, packs and food storage. Frogg Toggs against an Outdoor Research Helium and a jacket against a poncho both start from the fact that no shell breathes enough in sustained rain. Exos 58 against Crown3 60 follows from your base weight rather than from the pack. And BV450 against an Ursack Major is not a gear question at all until you have checked what the agency managing that specific land currently requires.
The eight category verdicts on one page
If you only want the answers, here they are. Each row gives the choice most people should make, the approximate weight it saves or costs, and the specific reader who should go the other way. The full page behind each row explains the mechanism, which is what tells you whether you are that reader.
| The choice | Usual answer | Weight effect | Choose the other one if |
|---|---|---|---|
| Quilt or sleeping bag | Quilt | Saves 8 to 14 oz | You sleep restlessly or cold, or your pad has no strap system |
| Down or synthetic | Down | Roughly 2 to 3 times warmer per oz | You expect days of sustained rain with no way to dry out |
| Inflatable or foam pad | Inflatable, with foam under it in the cold | R 4.5 at 13 oz versus R 2 at 14 oz | You want a pad that cannot fail, or you need a sit pad and a pack frame |
| Pole shelter or freestanding | Trekking pole shelter | Saves about 1 lb 2 oz to 2 lb 4 oz | You camp on slab, platforms or frozen ground, or you do not use poles |
| Frameless or framed pack | Framed, until base weight is low | Saves about 1 lb | Your loaded total stays under about 25 lb, then frameless wins |
| Canister or alcohol stove | Canister | Crossover depends on trip length | Short trips where fuel weight is small, and no fire restrictions apply |
| Filter or chemical | Both, always | Chemical backup costs about 3 oz | Never. A filter is a single point of failure |
| Trail runners or boots | Trail runners | Saves 1 to 2 lb on the feet | Heavy loads, off trail scree, or a history of ankle injury |
One row in that table has no other side, and it is deliberate. Water treatment is not a choice between a filter and chemicals, it is a choice between one method and two. Hollow fibre filters are destroyed by a single freeze with no visible sign, they remove bacteria and protozoa but not viruses, and they clog in silty water. Chlorine dioxide weighs almost nothing and covers every one of those failure modes, which is why every complete kit on this site carries a backup and why the comparison page reaches the same conclusion at more length.
The pack row is the other one worth reading twice, because it is the most expensive mistake in this hobby and the arithmetic is not obvious. A pack has a design load, and total means base weight plus food, water and fuel rather than base weight alone. A 14 lb base weight plus five days of food at 1.5 lb per day plus two litres of water is already 25 lb 5 oz, which is the top of the frameless range before anything has gone wrong. Buy the pack after the load is final, never before, and use the pack weight calculator to check the loaded figure rather than the base weight.
Weight is never the only axis
Every table on this site sorts by weight because weight is the number this hobby measures, and every page then spends its length on the things weight does not capture. Durability, repairability, fit, how a piece of gear behaves when it is wet, and how narrow the band of conditions is where it works are all invisible in an ounce column, and any one of them can outweigh the whole calculation.
The pattern repeats across categories. The lightest option is usually the one with the narrowest window: a frameless pack has a load ceiling, a 30 degree quilt has a temperature floor, a silnylon shelter sags when wet, and an alcohol stove is useless in wind and banned under many fire restrictions. None of that makes the light option wrong. It makes the light option a choice with conditions attached, and the point of these pages is to state the conditions rather than to hide them behind a specification.
For the ordered version of these decisions, which is what to change in what sequence rather than which of two things is better, use the buying order guide. To see all eight of them resolved into finished kits, with every line priced and weighed, use the complete buildouts.