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Sea to Summit Ultralight Insulated vs Sea to Summit Ultralight XR Insulated (Short)

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Sea to Summit Ultralight Insulated Sea to Summit Ultralight XR Insulated (Short)
Weight 595 g · 0.595 kg · 1.31 lb 390 g · 0.390 kg · 0.86 lb
Brand Sea to Summit Sea to Summit
Category Sleep System Sleep System
Sea to Summit Ultralight Insulated
595 g

Insulated inflatable pad with R-value 3.7.

See it in your base weight → Full details →
Sea to Summit Ultralight XR Insulated (Short)
390 g

Ultralight insulated sleeping pad at 13.8 oz (390g) for 66-inch length with 3.6 R-value, lightest inflatable option available.

See it in your base weight → Full details →

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Sea to Summit Ultralight Insulated vs Sea to Summit Ultralight XR Insulated (Short): which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

See where both rank against everything else in this category on the lightest sleep system page, or browse the full gear weight database.

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