Sea to Summit Self Inflating Delta V Seat

"The Self Inflating Delta V Seat from Sea to Summit is the ideal companion for anyone who doesn't want to sacrifice comfort when traveling. Whether on an outdoor picnic, on cold stadium stages or on long bus rides through Central Americau2013 this self-inflating cushion always provides the necessary seating comfortu2013. Made from robust 75 denier polyester with laminated TPU, it is not only hard-wearing but also durable"
"Thanks to the innovative Delta Core foam, the cushion offers a comfortable 3.8 cm of padding while remaining light and compact. The patented Mini-Valve makes it easy to inflate, deflate and fine-tune, so you can customize the seating comfort. The elastic material adapts to your movements and provides additional comfort"
"The Self Inflating Delta V Seat is unisex and therefore suitable for everyone. It can be easily stowed away in a rucksack and is a must-have for every outdoor enthusiast who values comfort without having to carry a lot of luggage."