New For 2019: Boasting an unrivaled warmth-to-weight ratio, the Apex is the pinnacle of light and stable self-inflating comfort.
The newest addition to Therm-a-rest's tried-and-true ProLite family adds warmth and thickness without adding additional weight. The lightweight Apex offers year-round warmth and comfort thanks to its unique StrataCore construction. The two-inch thick mattress ensures that you stay comfy during your backpacking adventures. Stuff sack included.
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 Year-Round Comfort: Perfect for everything from winter adventures to summer backpacking.
Comfy Self-inflating Foam: Expanding foam core self-inflates; top off with air 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.