ULTRA LIGHT S.I.™
Light and packable for minimalist fast hikes, the Ultralight Self-Inflating mats come in at 1 inch thick with the regular size weighing just over 1 pound.
The Sea to Summit keeps the weight down by using a 30-D polyester and our Delta Core-V™ vertical coring which keeps body contact areas warmer while still offering great support and packability.
Utilises Delta Core-V™ technology, which keeps body contact areas warmer while still offering great support and packability
Multi-function, patent-pending multi-function valve twists over to allow the mat to be rolled tightly without fighting re-inflation as you go
At 1 inch thick and an equivalent R-Value of 2.6, the Ultralight SI Mat delivers a great weight to warmth ratio for minimalist hikers
All S.I. mats by Sea To Summit use the first ever, multi-function single valve designed specifically for self-inflating mats. No more fighting re-inflation as you try to roll up your mat!
Anti-slip print on base of mat, helps hold your mat in place when camping on sloping ground is unavoidable
Multi-function high flow-rate valve provides fast inflate, deflate and easy fine-tuning for personalised comfort
Includes a repair kit for easy puncture repair in the field
Included Pillow Lock™ system attaches Sea to Summit pillows to mat
Includes stuff sack
The 2.6 R-value provides the insulation needed through the shoulder seasons while the memory foam means you don’t have to exert yourself inflating your mat at the end of the day.
Delta Core-V™ Technology
Small vertical Delta Cores™ in body contact areas (shoulders, hips and feet) keep you warmer
Larger vertical Delta Cores™ in non-body contact areas reduce the mat’s weight and bulk
Lightweight 30D polyester with extrusion laminated TPU used on top and base