SKU: SS24045 Weighs: 411g (ex bag) Mat Size: Regular R-Value: 5.4 Season Rating: Winter Mat Type: Airbeds The Nemo Tensor All-Season sleeping pad is designed for all seasons, featuring a 3 ½ inches (8.9cm) thickness with a dimpled sleep surface using Nemo's 'Spaceframe' baffle construction. Nemo says:  Improving … Tensor All-Season Regular Mummy Sleeping Mat