SKU: SS24268 Weighs: 491g (ex bag) Mat Size: Long Wide R-Value: 1.3 Season Rating: Summer Mat Type: Airbeds The Exped Ultra 1R LW Sleeping Mat offers ultralight warmth for summer backpacking with a minimalist weight and compact size. It uses Exped's AirMat technology with air channels to provide cushioned support and an R-valu… Ultra 1R LW Sleeping Mat