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MEC 2-Kilo Project Alpha UL 1-Person Tent vs MSR Carbon Reflex 1

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

MEC 2-Kilo Project Alpha UL 1-Person Tent is the lighter option — 20 g lighter than the MSR Carbon Reflex 1 (3% less weight). If grams matter to you, that is the one to beat.
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Spec MEC 2-Kilo Project Alpha UL 1-Person Tent MSR Carbon Reflex 1
Weight 660 g · 0.660 kg · 1.46 lb 680 g · 0.680 kg · 1.50 lb
Brand MEC MSR
Category Shelter Shelter
MEC 2-Kilo Project Alpha UL 1-Person Tent
660 g

1-person ultralight freestanding tent part of MEC's 2-Kilo integrated system, 15D silicone-coated nylon ripstop

See it in your base weight → Full details →
MSR Carbon Reflex 1
680 g

Ultralight single-wall 1-person tent with carbon fiber poles.

See it in your base weight → Full details →

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MEC 2-Kilo Project Alpha UL 1-Person Tent vs MSR Carbon Reflex 1: which should you buy?

If saving weight is your priority, the MEC 2-Kilo Project Alpha UL 1-Person Tent wins — at 660 g it is 20 g (3%) lighter than the MSR Carbon Reflex 1 (680 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.

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