SKU: SS22854 Weighs: 831g R-Value: 2.9 Season Rating: 3 Season Mat Size: Double Mat Type: Airbeds The Ultra 3R Duo M mat is sized for couples and benefits from Exped's Polyester insulation introduced into its refreshed range. This is the smaller of the two 'Couples' mats so if you want something bigger then it is ava… Ultra 3R Duo M Sleeping Mat