Sea to Summit Comfort Plus Mat NEW Air Sprung Cells provide unrivalled comfort and support,The Comfort Plus Regular Tapered is designed with 548 air sprung cells. Multi-Function Valve integrates inflation and deflation plus pressure adjustment into one low-profile design. Extruded TPU Lamination with Antimicrobial treatment prevents delamination and internal bacterial growth. Equivalent R-Value is 2.5 High quality Nylon stuff sack and a 3M repair kit included.