For the ultimate in luxury the sea to summit comfort plus insulated mat large is perhaps the perfect choice featuring 696 independent air sprung cells and a combination of exkin platinum fabric and thermolite insulation is about as good as a sleeping mat can be with just under an extra 10cm in width and 15cm in length the comfort plus is perfect for those trips where you don t mind sacrificing a little more weight for a lot more comfort the comfort plus insulated mat features two layers of air c