← Gear database

Six Moon Designs Lunar Duo vs Tarptent MesoSpire 2

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

Six Moon Designs Lunar Duo is the lighter option — 171 g lighter than the Tarptent MesoSpire 2 (17% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Six Moon Designs Lunar Duo Tarptent MesoSpire 2
Weight 850 g · 0.850 kg · 1.87 lb 1,021 g · 1.021 kg · 2.25 lb
Brand Six Moon Designs Tarptent
Category Shelter Shelter
Six Moon Designs Lunar Duo
850 g

Spacious 2-person trekking pole shelter with side entry.

Full details →
Tarptent MesoSpire 2
1,021 g

Lightweight single-wall two-person trekking-pole tent. Minimum weight 36oz using two pole sets; converts toward freestanding with included struts.

Full details →

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

Six Moon Designs Lunar Duo vs Tarptent MesoSpire 2: which should you buy?

If saving weight is your priority, the Six Moon Designs Lunar Duo wins — at 850 g it is 171 g (17%) lighter than the Tarptent MesoSpire 2 (1,021 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 shelter page, or browse the full gear weight database.

More shelter comparisons