Therm-a-Rest NeoLoft vs Western Mountaineering Versalite 10°F

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

Therm-a-Rest NeoLoft is the lighter option — 133 g lighter than the Western Mountaineering Versalite 10°F (16% less weight). If grams matter to you, that is the one to beat.

Spec	Therm-a-Rest NeoLoft	Western Mountaineering Versalite 10°F
Weight	717 g · 0.717 kg · 1.58 lb	850 g · 0.850 kg · 1.87 lb
Brand	Therm-a-Rest	Western Mountaineering
Category	Sleep System	Sleep System

Therm-a-Rest NeoLoft

717 g

Plush 10cm-thick insulated air pad with R-value 4.7, designed for car-camping-level comfort at a backpackable weight.

Check price Full details →

Western Mountaineering Versalite 10°F

850 g

850-fill down sleeping bag rated to 10°F (-12°C).

Full details →

Therm-a-Rest NeoLoft vs Western Mountaineering Versalite 10°F: which should you buy?

If saving weight is your priority, the Therm-a-Rest NeoLoft wins — at 717 g it is 133 g (16%) lighter than the Western Mountaineering Versalite 10°F (850 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.

More sleep system comparisons

Therm-a-Rest NeoLoft vs Sea to Summit Aeros Ultralight Pillow (Regular) Therm-a-Rest NeoLoft vs NEMO Equipment Tensor Elite Sleeping Pad Therm-a-Rest NeoLoft vs Therm-a-Rest NeoAir UberLite Therm-a-Rest NeoLoft vs NEMO Tensor Elite Ultralight Insulated Therm-a-Rest NeoLoft vs Zpacks Solo Quilt 20F Therm-a-Rest NeoLoft vs Nemo Tensor Ultralight