SKU: SS22853 Weighs: 472g R-Value: 2.9 Season Rating: 3 Season Mat Size: Long Wide Mat Type: Airbeds The Ultra 3R LW Mummy mat is both longer and wider than the standard sized mat so you get a lot of bed to lie on, however being a Mummy shape means that there's still a weight saving compared to a full rectangular mat fr… Ultra 3R LW Mummy Sleeping Mat