NEMO Tensor Elite Ultralight Insulated vs Therm-a-Rest Vesper 20 Sleeping Bag
Weight and specs compared for 2026 — and which one to choose.
Lightest insulated inflatable sleeping pad on the market. Trapezoidal baffles eliminate cold spots; inflates in under 60 seconds with pump sack.
Check price Full details →900-fill hydrophobic goose down sleeping bag rated to 20°F/-6°C. Ultralight and highly compressible for three-season backpacking.
Check price Full details →NEMO Tensor Elite Ultralight Insulated vs Therm-a-Rest Vesper 20 Sleeping Bag: which should you buy?
If saving weight is your priority, the NEMO Tensor Elite Ultralight Insulated wins — at 298 g it is 252 g (46%) lighter than the Therm-a-Rest Vesper 20 Sleeping Bag (550 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.