Thermarest

For lightweight self-inflating support, the ProLite Apex brings packable performance and legendary Therm-a-Rest support. The self-inflating foam measures 5 cm and features the StrataCore construction, a design that provides the best warmth-to-weight ratio of any self-inflating foam construction. The ProLite Apex 3.8 R-value allows adventurers to stave off the cold during three-season pursuits. StrataCore™ construction: yielding the best warmth-to-weight ratio of any self-inflating mattress, StrataCore uses a continuous layer of thermal foam nestled between alternating ridges of air and foam Lightweight comfort: the warmest ProLite ever allows three seasons adventuring without weighing down a pack Rugged, self-inflating foam: expanding foam core self-inflates; top off with just a few breaths for personalized firmness on 5 cm of StrataCore loft Easily fits in your pack: packs down small to easily find a place in your pack during fast and light adventures WingLock™ valve: the intuitive and dependable valve maximizes airflow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath Stuff sack included Weight: 0.62 kg Width: 51 cm Length: 183 cm Height: 5 cm