Sometimes, the extra weight associated with a more comfortable nights sleep pays for itself many times over. Built wider than their mummy shaped cousins, the STS Comfort Plus S.I. Rectangular Mats are designed to maximise comfort and warmth for cool-climate treks. At 8 cm thick and a winter rated R-Value, the Comfort Plus S.I. Rectangular Mats provide luxury in a packable size. A 30D stretch knit fabric is used on the top layer for a great next to skin feel, and a lightweight 30D polyester with extrusion laminated TPU is used on the base for increased durability. All STS self-inflating mats feature their unique, multifunction reversible single valve, designed specifically for self-inflating mats. No more fighting re-inflation as you roll up your mat!
Delta Core-V technology
STS Delta Core technique is a truly innovative approach to reducing the weight and bulk of the polyurethane (PU) foam core of their Self-Inflating mattresses. Their patent pending coring process removes up to 40% of the initial volume of the PU foam, retaining enough for optimal support and comfort, while minimising the packed weight and size of the final mattress. Importantly, this coring technique has the additional benefit of keeping the top and bottom surface of the PU foam completely intact. This ensures consistent warmth along the full length of the mattress, avoiding the vertical holes or frame-like gaps that have traditionally allowed warmth to leach downwards. The full foam surface also provides significantly improved bonding of the foam to the shell fabrics of the mattress, thereby greatly reducing the chance of delamination. The shape and size of the Delta Cores are adjusted across the different thicknesses of our mattresses to ensure strength and durability, while still giving the user excellent support and self-inflating performance.
Pillowlock System
Easily secure your Sea to Summit pillow to your Sea to Summit mat for a slip-free sleep. Designed to keep your pillow exactly where its meant to be—on your sleeping mat—the unique PillowLock hook-and-loop fastener patches come standard with all STS mats from mid-2019.
Features:
- Multi-function, high flow rate valve
- Anti-slip print on base of mat, helps hold your mat in place when camping on sloping ground is unavoidable
- A luxurious 30D stretch kit fabric on top for a quiet and soft, next-to-skin feel
- Lightweight 30D polyester with extrusion laminated TPU used on base for rugged durability
- Pillow Lock™ attached to your Aeros™ pillow to your mat, holding it in place for a slip-free sleep
- Large horizontal triangular cores reduce the weight and bulk without sacrificing support and comfort
- PU foam is thicker on top of each Delta Core for better insulation directly under you. It also keeps top and bottom surface of foam intact ensuring consistent warmth along entire length of the mat and better bonding with shell fabrics
- Diagonal supporting foam walls help inflate the mattress and creates a more compact rolled mat
- Generously-sized stuff sack with drawcords makes it easy to pack up your mat, then compress!
- Please note : Delta Core mats may require a few extra breaths to completely inflate firm
A multi-function valve specifically designed for self-inflating mats
We have literally put a new twist on our very successful multi-function valve so it specifically addresses the inherent characteristic of self-inflating mats—that is, the problem of the foam trying to re-inflate as you’re packing up. We’ve engineered the “one-way” inflation valve to be reversible and used to prevent the mat from drawing air back in. This allows you to roll the mat up as small as possible without fighting re-inflation as you go. This patent-pending valve design has the same slim profile, faster inflation than traditional screw valves, easy pressure fine-tuning and super-fast deflation rate as our air mattresses and pillows.
