Sea to Summit Ultralight Ion 5 Sleeping Mat — 2027
Price to be announced
The 2027 Sea to Summit Ultralight Ion 5 sleeping mat combines a LiteGrid air structure with two reflective ThermalCore layers and a 20-denier shell. The variable-thickness TPU matrix is a defining construction feature of this inflatable sleeping mat.
Specifications
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
Choosing your model
What is included in this product?
This product is the sleeping mat. A sleeping bag, liner and pillow are not included. The manufacturer cites 325 g in a sleep-system example; size-specific weights, dimensions and R-value remain to be confirmed.
Is there a folding foam alternative?
The Ori-Fold Contour uses dual-density folding foam and a detachable sit-pad section. Ultralight Ion 5 instead uses an inflatable structure with reflective insulation.
Availability
Sea to Summit announced March 2027 for the spring/summer collection. Our price and arrival timing are not yet confirmed. Select Notify me when available for your preferred option. Signup does not reserve inventory or place a preorder.
