Ultra 3R Duo is a lightweight and compact sleeping mat for two featuring recycled 20 D ripstop face fabric and certified carbon neutral by myclimate. It is perfect for human powered adventures including backpacking, thru-hiking, bike packing and alpinism. EXPED's SYNMAT TECHNOLOGY, featuring Texpedloft insulation welded to the top and bottom of the air chambers, ensures maximum warmth over the lifetime of the mat while a 7 cm thick air cushion cradles the body. These air chambers run head to toe, fully supporting the body for an unrivaled night's sleep and giving maximum durability.