SKU: SS22649 Weighs: 722g (excluding bag) R-Value: 4.0 Season Rating: 3 Season Mat Size: Long Mat Type: Airbeds A tough and reliable mat, insulated with synthetic fibres providing excellent warmth-to-weight qualities (rated for use down to -25C). Small pack size. Comes with a stuff sack with an integrated pump which has been updat… Aerostat Synthetic 7.0 Long Sleeping Mat - Past Season