The Thermarest ProLite Apex is a fast and light, self inflating camping mattress that offers unrivalled warmth-to-weight ratio. The newest addition to the tried-and-true ProLite family, the Thermarest ProLite Apex has been updated to include the high-performance WingLock valve, which has three-times the airflow rate of the classic valve thanks to a larger opening and one-way inflation. The self-inflating foam measures 2 inches (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. Stuff sack included. Features 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-season adventuring without weighing down a pack. Rugged, Self-inflating Foam: Expanding foam core self-inflates; top off with just a few breaths for personalised firmness on 2 inches (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 maximises air flow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath. Multiple Sizes: A range of sizes, including a spacious regular wide, to enable you to pick a length that best suits your adventure needs. Stuff sack included Specification Regular Regular Wide Large Colour Heat Wave Heat Wave Heat Wave R-Value 3.8 3.8 3.8 Weight (Standard) 1 lbs 6 oz 1 lbs 12 oz 1 lbs 14 oz Weight (Metric) 0.62 kg 0.79 kg 0.85 kg Width (Standard) 20 in 25 in 25 in Width (Metric) 51 cm 64 cm 64 cm Length (Standard) 72 in 72 in 77 in Length (Metric) 183 cm 183 cm 196 cm Height (Standard) 2 in 2 in 2 in Height (Metric) 5 cm 5 cm 5 cm Thickness (Standard) 2 in 2 in 2 in Thickness (Metric) 5 cm 5 cm 5 cm Packed dimension (Standard) 13 in x 6.8 in 13 in x 7 in 13 in x 7 in Packed dimension (Metric) 33 cm x 18 cm 33 cm x 18 cm 28 cm x 17 cm Top fabric type 50D Polyester Print 50D Polyester Print 50D Polyester Print Bottom fabric type 50D Polyester Print 50D Polyester Print 50D Polyester Print What's Included Stuff sack Stuff sack Stuff sack Material(s) Polyester, Polyurethane Polyester, Polyurethane Polyester, Polyurethane Country of Origin USA*Built of the Finest U.S. and Global Materials USA*Built of the Finest U.S. and Global Materials USA*Built of the Finest U.S. and Global Materials
