Which Big Agnes Copper Spur Tent Is Lightest in 2026?

The lightest model in the Big Agnes Copper Spur lineup is the Big Agnes Copper Spur UL1 - Tangelo at 1077 g (38.0 oz, 2.37 lb) for $500, lighter than 100% of the nine models on this shelf. The median across the lineup is 1503 g (53.0 oz, 3.31 lb) at $650, working out to $11.01 per ounce. The UL1 - Tangelo runs $13.16 per ounce, so the reader who wants the lightest model here pays more for each ounce than the median model on the shelf does.

The full spread across the nine models runs 879 g (31.0 oz, 1.94 lb), from the UL1 - Tangelo at 1077 g up to the Big Agnes Copper Spur UL3 Bikepack at 1956 g (69.0 oz, 4.31 lb), the heaviest on the shelf.

Price and weight do not move together in a straight line here. The cheapest model with a listed price, the Big Agnes Copper Spur HV UL1 Bikepack at $425, is not the lightest one — it weighs 1276 g (45.0 oz, 2.81 lb), 199 g more than the UL1 - Tangelo, but it is $75 cheaper and carries the lowest price per ounce on the shelf at $9.44.

The picks, with their figures

1. Lightest overall

   Big Agnes Copper Spur UL1 - Tangelo

   2.37 lb · #1 of 9 · lighter than 100% of the shelf · $499.95 · $13.16/oz

   At 1077 g (38.0 oz, 2.37 lb) for $500, the Big Agnes Copper Spur UL1 - Tangelo is lighter than 100% of this nine-model shelf. It also carries the highest price per ounce on the shelf, $13.16, so the weight comes at the top of this lineup's cost curve.

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2. Best value per ounce

   Big Agnes Copper Spur HV UL1 Bikepack

   2.81 lb · #2 of 9 · lighter than 88% of the shelf · $424.95 · $9.44/oz

   The Big Agnes Copper Spur HV UL1 Bikepack costs $425, the cheapest listed price on the shelf, and works out to $9.44 per ounce, the lowest of the nine. It weighs 1276 g (45.0 oz, 2.81 lb), 199 g more than the lightest model, in exchange for that price.

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3. At the median

   Big Agnes Copper Spur UL2 XL - Tangelo/Mercury

   3.31 lb · #5 of 9 · lighter than 50% of the shelf · $649.95 · $12.26/oz

   The Big Agnes Copper Spur UL2 XL - Tangelo/Mercury is the median model on this shelf at 1503 g (53.0 oz, 3.31 lb) and $650, lighter than exactly 50% of the lineup. Its $12.26 per ounce sits above the shelf's $11.01 median price per ounce.

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4. One rank below the median pair

   Big Agnes Copper Spur UL3 - Tangelo

   3.81 lb · #7 of 9 · lighter than 25% of the shelf · $649.95 · $10.66/oz

   The Big Agnes Copper Spur UL3 - Tangelo weighs 1729 g (61.0 oz, 3.81 lb) for $650, the same price as the median model but 226 g heavier. Its price per ounce, $10.66, is lower than the shelf's $11.01 median.

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5. Heaviest on the shelf

   Big Agnes Copper Spur UL3 Bikepack

   4.31 lb · #9 of 9 · lighter than 0% of the shelf · $699.95 · $10.14/oz

   The Big Agnes Copper Spur UL3 Bikepack is the heaviest model here at 1956 g (69.0 oz, 4.31 lb), lighter than 0% of the shelf, for $700. At $10.14 per ounce it is cheaper per ounce than the median model's $11.01.

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How to read this shelf

The median weight on this shelf, 1503 g (53.0 oz, 3.31 lb), belongs to the Big Agnes Copper Spur UL2 XL - Tangelo/Mercury at $650. Four models on the shelf weigh less than it, four weigh more, and it sits at rank #5 of nine, lighter than exactly 50% of the shelf. "Lighter than X% of the shelf" is a rank position among these nine models, not a percentage of grams saved — the UL1 - Tangelo at rank #1 is lighter than 100% of the shelf, while the UL3 Bikepack at rank #9 is lighter than 0% of it.

The 879 g (31.0 oz, 1.94 lb) spread from lightest to heaviest is the full range a buyer is choosing across on this shelf. Moving from one end to the other means moving through price points of $500, $425, $550, $600, $650, $650, $650, $700, and $700 — three separate models share the $650 price point at three different weights, which is worth noticing before assuming price alone tracks weight.

The weight-for-money trade

Under a $500 ceiling, the lightest available model is the Big Agnes Copper Spur UL1 - Tangelo itself, priced at exactly $500 for 1077 g (38.0 oz, 2.37 lb) — $13.16 per ounce, the highest price per ounce on the shelf. Below that price point there is no lighter option listed. The cheapest model overall, the Big Agnes Copper Spur HV UL1 Bikepack at $425, weighs more at 1276 g (45.0 oz, 2.81 lb) but costs less per ounce, at $9.44, than every other model on this shelf.

Past the $600–$650 band, money stops buying grams as reliably. The Big Agnes Copper Spur HV UL3 costs $600 for 1474 g (52.0 oz, 3.25 lb) at $11.54 per ounce. Add $50 and the Big Agnes Copper Spur UL2 XL - Tangelo/Mercury costs $650 for 1503 g (53.0 oz, 3.31 lb) at $12.26 per ounce — 29 g heavier for more money and a higher per-ounce price. Two other models sit at the same $650 price but weigh more still: the Big Agnes Copper Spur UL2 Bikepack at 1673 g (59.0 oz, 3.69 lb, $11.01/oz) and the Big Agnes Copper Spur UL3 - Tangelo at 1729 g (61.0 oz, 3.81 lb, $10.66/oz). At $650, the shelf offers 1503 g, 1673 g, or 1729 g for the identical price.

The middle of the shelf

Around the median, one rank costs real grams and real dollars. The Big Agnes Copper Spur HV UL3 at rank #4 weighs 1474 g (52.0 oz, 3.25 lb) for $600. One rank down, the median Big Agnes Copper Spur UL2 XL - Tangelo/Mercury at rank #5 weighs 1503 g (53.0 oz, 3.31 lb) for $650 — 29 g heavier and $50 more expensive for one step down the shelf.

One rank further down, the Big Agnes Copper Spur UL2 Bikepack at rank #6 weighs 1673 g (59.0 oz, 3.69 lb) for the same $650 as the median model — 170 g heavier for no change in price. Another step to the Big Agnes Copper Spur UL3 - Tangelo at rank #7 adds 56 g more, to 1729 g (61.0 oz, 3.81 lb), again at $650. In this middle stretch of the shelf, the dollars often stay flat while the grams keep climbing.

Who should not buy the lightest

The figures on this shelf say what each model weighs and what each retailer currently charges for it — nothing more. They do not say how a tent performs in wind, how it sheds rain, how it holds up over repeated trips, or how comfortable it is to spend a night inside. A buyer choosing the Big Agnes Copper Spur UL1 - Tangelo at 1077 g (38.0 oz, 2.37 lb) for its $13.16-per-ounce price is trading toward the top of the price-per-ounce scale on this shelf, and the spec sheet cannot say whether that trade is worth it for a given trip.

Anyone who is not certain the weight difference matters to their trip should look at the models nearer the median — 1503 g (53.0 oz, 3.31 lb) at $650 — where the price per ounce, $12.26, is close to the shelf's $11.01 median rather than at its $13.16 high end. The right call depends on factors this register does not carry, not on the numbers alone.

Every model on this shelf, lightest first

9 Big Agnes Copper Spur backpacking tents. Median 3.31 lb, median price $649.95, median $11.01 per ounce.

The whole category, every model placed: the tents measured.

What we did not measure

Durability over repeated trips — the spine records a published weight and a current price, not how any model holds up after months of use; judge that from a warranty policy and return experience, not from a spec sheet.

Weather performance — how a model handles wind, rain, or condensation is not something a weight and a price can show; a buyer who trips regularly in bad weather should weigh that risk separately from the ounces.

Livability inside the tent — how it feels to sit up, change clothes, or wait out a storm is a lived experience, not a number this register carries.

Fit for the buyer's height or frame — none of these figures describe interior comfort at any given height, so a buyer near either end of a typical size range should confirm fit through other means before deciding on weight alone.

Ease of setup — how quickly and reliably a tent goes up in the field is not reflected in weight or price and is not something this page measures.

Questions people ask

Which Big Agnes Copper Spur tent is the lightest?

The Big Agnes Copper Spur UL1 - Tangelo, at 1077 g (38.0 oz, 2.37 lb) for $500. It is lighter than 100% of the nine models on this shelf.

What is the cheapest Copper Spur tent?

The Big Agnes Copper Spur HV UL1 Bikepack, listed at $425. It weighs 1276 g (45.0 oz, 2.81 lb) and carries the lowest price per ounce on the shelf at $9.44.

How much does the median Copper Spur tent weigh?

The median across this nine-model shelf is 1503 g (53.0 oz, 3.31 lb), the weight of the Big Agnes Copper Spur UL2 XL - Tangelo/Mercury at $650, which is also the shelf's median price.

Which model is the best value per ounce?

The Big Agnes Copper Spur HV UL1 Bikepack, at $9.44 per ounce, the lowest price per ounce among the nine models, against a shelf median of $11.01 per ounce.

How big is the weight spread across the lineup?

879 g (31.0 oz, 1.94 lb), from the 1077 g Big Agnes Copper Spur UL1 - Tangelo to the 1956 g Big Agnes Copper Spur UL3 Bikepack.

Does the lightest model always cost the most per ounce?

On this shelf, yes at the extremes: the lightest model, the UL1 - Tangelo, has the highest price per ounce at $13.16, while the heaviest, the UL3 Bikepack, has a lower $10.14 per ounce. But three models share the same $650 price at different weights, so price alone does not track weight in the middle of the shelf.