Robens PrimaCore 60

Used over the course of a summer and winter season, I'd say this is a high performance, lightweight sleeping mat. The material is comfortable, reasonably durable and not particularly noisy like some of the competing mats. It...View More packs down easily to something roughly the size of a 1 liter thermos bullet flask and weighs very little. Thermally it performs well, but in serious winter conditions (especially with altitude) a closed cell foam mat underneath would be advisable. All in all an excellentView Less