Sea to Summit Ultralight Ion 5 Sleeping Mat — 2027

Price to be announced

Upcoming release · Out of stock at Kodiak Outfitters · Kodiak price to be confirmed

This listing covers the Sea to Summit Ultralight Ion 5 update announced for spring/summer 2027. The manufacturer names March 2027 for the collection launch; this is an availability alert for that announced update.

Announced construction

Air structure LiteGrid variable-thickness TPU matrix
Insulation ThermalCore with two reflective layers
Shell 20-denier fabric
Listed weight 325 g in the manufacturer’s sleep-system example; final size-specific weights unconfirmed

Is this the complete sleep system?

No. This page is for the mat only. A sleeping bag, liner and pillow are not included.

What is still unknown?

Final size options, R-value, dimensions, identifiers and Kodiak price remain unconfirmed here. A verified manufacturer product photograph is pending.

Source: Sea to Summit’s June 10, 2026 manufacturer announcement, checked September 13, 2026. No Kodiak field test is claimed.

Availability at Kodiak

Our arrival date, allocation and selling price are not confirmed. Purchasing is disabled. Use Notify me when available for this product’s stock alert; signup does not reserve stock or place a preorder.

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