Thermarest Prolite Apex WV Mat, Heat Wave The Cheapest

The newest addition to the 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 5cm thick mattress ensures that you stay comfy during your backcountry backpacking and camping adventures.
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 Year-Round Comfort: The best warmth-to-weight ratio of any self-inflating mattress.
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.
NEW WingLock Valve: Our intuitive and dependable valve maximizes air flow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath.

SPECIFICATIONS:      Regular            Reg Wide            Large
R-Value                     3.8                  3.8                     3.8
Weight                      630 g              790 g                  850 g
Width                        51 cm             63 cm                 63 cm
Length                      183 cm           183 cm                196 cm
Thickness                  5 cm               5 cm                   5 cm
Packed dimension      28 cm x 12 cm  33 cm x 13 cm     33 cm x 13 cm
Top fabric type      50D polyester
Bottom fabric type 50d Polyester
Foam type            Thermal Foam