← Gear database
Nemo Flyer vs Western Mountaineering Ultralite 20°F
Weight and specs compared for 2026 — and which one to choose.
Nemo Flyer is the lighter option — 28 g lighter than the Western Mountaineering Ultralite 20°F (4% less weight). If grams matter to you, that is the one to beat.
Nemo Flyer
652 g
Self-inflating baffled air sleeping pad with 5cm of foam-backed comfort and a regular packed weight around 650g.
Check price Full details →Western Mountaineering Ultralite 20°F
680 g
Premium 850-fill down sleeping bag rated to 20°F (-7°C).
Full details →Nemo Flyer vs Western Mountaineering Ultralite 20°F: which should you buy?
If saving weight is your priority, the Nemo Flyer wins — at 652 g it is 28 g (4%) lighter than the Western Mountaineering Ultralite 20°F (680 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.