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Gear / Backpacks & Packs

Big Agnes Sweetwater UL 43L - SM vs Hyperlite Mountain Gear Headwall 55

Sweetwater UL 43L - SM is the lighter of the two by 52 g (1.8 oz).

Sweetwater UL 43L - SM lists for $195.05 less at the manufacturer's price.

Where to buy

Sweetwater UL 43L - SM

  • Check price at Big Agnes

Headwall 55

  • Check price at Hyperlite Mountain Gear

As an Amazon Associate I earn from qualifying purchases.

Weights and prices are the manufacturer’s published figures. The lower weight and the higher R-value are highlighted.

Sweetwater UL 43L - SM

Big Agnes

Headwall 55

Hyperlite Mountain Gear

Weight
39.9 oz
41.7 oz
MSRP
$279.95
$475.00
Capacity / volume
43 L
55 L

Which one to choose

  • Choose the Big Agnes Sweetwater UL 43L - SM if every ounce counts — 39.9 oz against 41.7 oz.
  • The Hyperlite Mountain Gear Headwall 55 carries more (55 L against 43 L); the Big Agnes Sweetwater UL 43L - SM gives up 12 L for 1.8 oz less weight.
+ Add the Sweetwater UL 43L - SM to my pack+ Add the Headwall 55 to my pack

Questions this comparison answers

Is the Big Agnes Sweetwater UL 43L - SM lighter than the Hyperlite Mountain Gear Headwall 55?
Sweetwater UL 43L - SM is the lighter of the two by 52 g (1.8 oz).
Which has the lower list price, the Big Agnes Sweetwater UL 43L - SM or the Hyperlite Mountain Gear Headwall 55?
Sweetwater UL 43L - SM lists for $195.05 less in manufacturer list price (MSRP).

Big Agnes Sweetwater UL 43L - SM

Source not recorded.

“The Sweetwater UL 43L makes fastpacking expeditions a breeze. Whether hitting the trail for a thru-hike or a quick overnight, the propriety frame technology and ultralight durable fabric efficiently s.”
Full specs and prices for the Sweetwater UL 43L - SM →

Hyperlite Mountain Gear Headwall 55

Source not recorded.

“The Headwall 55 is designed for multi-day backcountry ski/snowboard touring with external pockets to accommodate safety equipment and multiple tool attachments and easy access points. DESIGNED FOR: Multi-day Backcountry Ski / Snowboarding KEY FEATURES: The exterior avalanche tool pocket accommodates a wide range of tool sizes, ensuring secure storage and easy access.”
Full specs and prices for the Headwall 55 →

Ranked guides for this shelf

  • Which Hyperlite Mountain Gear Backpack Is Lightest in 2026?
  • What Size Backpacking Backpack Do I Need in 2026?

The next question

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  • Sweetwater UL 43L - SM vs Rock 2.0 Hiking Backpack 45L
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  • Sweetwater UL 43L - SM vs Circuit SV
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Add a third item to this comparison·All backpacks on the register