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Warm up to the notion of sleeping on snow and cold rocks with Exped's Downmat 9 air mattress. This down-filled mattress features high loft goose down with three times the insulating warmth of any mat with a similar weight, so it helps keep your backpacking and climbing sleeping bags working at their optimal thermal rating potential. Exped noted in recent studies that heat loss to the ground is often three times greater than heat loss to exposed air, which means that many climbers, snowshoe enthu |
