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Buff Original Multifunctional Headwear vs Sea to Summit Ultra-Sil Sack 4L

Weight and specs compared for 2026 — and which one to choose.

Sea to Summit Ultra-Sil Sack 4L is the lighter option — 16 g lighter than the Buff Original Multifunctional Headwear (40% less weight). If grams matter to you, that is the one to beat.
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Spec Buff Original Multifunctional Headwear Sea to Summit Ultra-Sil Sack 4L
Weight 40 g · 0.040 kg · 0.09 lb 24 g · 0.024 kg · 0.05 lb
Brand Buff Sea to Summit
Category Miscellaneous Miscellaneous
Buff Original Multifunctional Headwear
40 g

Versatile neck gaiter / balaclava / hat. Ultralight.

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Sea to Summit Ultra-Sil Sack 4L
24 g

Ultralight stuff sack for food, clothing or sleeping bag.

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Buff Original Multifunctional Headwear vs Sea to Summit Ultra-Sil Sack 4L: which should you buy?

If saving weight is your priority, the Sea to Summit Ultra-Sil Sack 4L wins — at 24 g it is 16 g (40%) lighter than the Buff Original Multifunctional Headwear (40 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest miscellaneous page, or browse the full gear weight database.

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