The ultimate luxury for car camping, 4WD adventures or for extended base-camp style trips, the online exclusive Comfort Deluxe Self Inflating Sleeping Mat in Byron Blue features 10cm of plush foam providing the compact comfort you need for a great night's sleep outdoors. With 10cm vertical side walls, and a flat sleeping surface thanks to our Delta Core foam technology, this is as close to a conventional mattress you'll get while still being able to fit other items in your car/van or expedition size pack. With an R-value of 6.5, Comfort Deluxe S.I. Mats can be used in all but the coldest temperatures. Delta Core technology Delta Core technique is a truly innovative approach to reducing the weight and bulk of the polyurethane (PU) foam core of the Self-Inflating mattresses . The 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 m 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 10cm thick Luxurious 30D stretch knit fabric for a soft next to skin feeling on top Robust and durable 75D polyester with extrusion laminated TPU used on base 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 PillowLock patch system attaches Sea to Summit pillows to your mat, holding it in place for a slip-free sleep Generously-sized stuff sack with drawcords makes it easy to pack up your mat, then compress! Please note: Drink bottle is for sizi