The Klymit Inertia O Zone is an ultra light sleeping pad. It features thermally efficient cut outs to improve warmth and an integrated pillow. Weighing in at just 354g, the Klymit Inertia O Zone is super light but has plenty of room for movement. It inflates in a few breaths and packs away to a super small bundle. All in all a great mountain marathon or lightweight trekking pad.

Specifications - Klymit Inertia O Zone: