Exped SynMat HL Winter vs Western Mountaineering Ultralite 20°F

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

Both weigh the same at 680 g, so choose on features, price and fit.

Spec	Exped SynMat HL Winter	Western Mountaineering Ultralite 20°F
Weight	680 g · 0.680 kg · 1.50 lb	680 g · 0.680 kg · 1.50 lb
Brand	Exped	Western Mountaineering
Category	Sleep System	Sleep System

Exped SynMat HL Winter

680 g

4-season inflatable pad with R-value 8.0.

Full details →

Western Mountaineering Ultralite 20°F

680 g

Premium 850-fill down sleeping bag rated to 20°F (-7°C).

Full details →

Exped SynMat HL Winter vs Western Mountaineering Ultralite 20°F: which should you buy?

On weight these two are identical (680 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.

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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