SKU: SS22846 Weighs: 406g R-Value: 1.3 Season Rating: Summer Mat Size: Long Wide Mat Type: Airbeds Exped's Ultra 1R LW Mummy Sleeping Mat one of the lightest airbeds in Exped's refreshed range, its a full 14cm longer and 13cm wider than standard mats and it's 7cm thickness offers considerable comfort. Exped rate it as… Ultra 1R LW Mummy Sleeping Mat