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Nalgene HDPE 1.5L Waterbottlr vs Zpacks Sit Pad
Weight and specs compared for 2026 — and which one to choose.
Zpacks Sit Pad is the lighter option — 124 g lighter than the Nalgene HDPE 1.5L Waterbottlr (82% less weight). If grams matter to you, that is the one to beat.
Zpacks Sit Pad
28 g
Ultralight foam sit pad. Doubles as back panel for frameless packs.
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Nalgene HDPE 1.5L Waterbottlr vs Zpacks Sit Pad: which should you buy?
If saving weight is your priority, the Zpacks Sit Pad wins — at 28 g it is 124 g (82%) lighter than the Nalgene HDPE 1.5L Waterbottlr (152 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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