Camp Macpac Mats & Liners | Sea To Summit Ultra Light S.I.™ Sleeping Mat — Regular

Sea To Summit’S Ultra Light S.I.™ Sleeping Mat Is For Ultra-Light Hikers Who Can’T Go Past The Tried And True Self-Inflating Foam Mats. The Delta Core-V Technology Removes Up To 20% Of The Weight And Bulk Of The Polyurethane (Pu) Foam Of A Self-Inflating Mattress, While Maintaining Comfort And Insulation. Sea To Summit Have Also Engineered The “One-Way” Inflation Valve To Be Reversible And Used It 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 Pillow.