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NEMO Equipment Eclipse All-Season Sleeping Pad vs Western Mountaineering HighLite 35F

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

NEMO Equipment Eclipse All-Season Sleeping Pad is the lighter option — 6 g lighter than the Western Mountaineering HighLite 35F (1% less weight). If grams matter to you, that is the one to beat.
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Spec NEMO Equipment Eclipse All-Season Sleeping Pad Western Mountaineering HighLite 35F
Weight 454 g · 0.454 kg · 1.00 lb 460 g · 0.460 kg · 1.01 lb
Brand NEMO Equipment Western Mountaineering
Category Sleep System Sleep System
NEMO Equipment Eclipse All-Season Sleeping Pad
454 g

R-value 6.2 with heavily dimpled surface for cold weather insulation in 4-inch thickness.

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Western Mountaineering HighLite 35F
460 g

Ultralight 850-fill ethical down mummy bag rated 35F with 7D ripstop nylon shell. Best-in-class warmth-to-weight ratio for three-season use.

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NEMO Equipment Eclipse All-Season Sleeping Pad vs Western Mountaineering HighLite 35F: which should you buy?

If saving weight is your priority, the NEMO Equipment Eclipse All-Season Sleeping Pad wins — at 454 g it is 6 g (1%) lighter than the Western Mountaineering HighLite 35F (460 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 sleep system page, or browse the full gear weight database.

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