← Gear database

Nemo Equipment Tensor Elite Ultralight vs Therm-a-Rest Vesper 900

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

Nemo Equipment Tensor Elite Ultralight is the lighter option — 335 g lighter than the Therm-a-Rest Vesper 900 (61% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Nemo Equipment Tensor Elite Ultralight Therm-a-Rest Vesper 900
Weight 215 g · 0.215 kg · 0.47 lb 550 g · 0.550 kg · 1.21 lb
Brand Nemo Equipment Therm-a-Rest
Category Sleep System Sleep System
Nemo Equipment Tensor Elite Ultralight
215 g

Lightest inflatable pad at 7.6oz with R-value 2.4. Ultra-compact packed size.

Full details →
Therm-a-Rest Vesper 900
550 g

Ultralight sleeping bag with 900 fill-power hydrophobic goose down. 360g of down fill. Excellent warmth-to-weight ratio for three-season backpacking trips.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Nemo Equipment Tensor Elite Ultralight vs Therm-a-Rest Vesper 900: which should you buy?

If saving weight is your priority, the Nemo Equipment Tensor Elite Ultralight wins — at 215 g it is 335 g (61%) lighter than the Therm-a-Rest Vesper 900 (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.

More sleep system comparisons