The Self-Support Therm-A-Seat features a self-supporting back for all-day comfort, whether you have a tree to lean on or not. The unique seat shape on a wedge shifts your weight backwards, much like the seat in your vehicle, for added balance and exceptional comfort. Provides a triple-layer (thermal layer, comfort layer, earth barrier) design, along with waterproof coating. Detachable/adjustable side-release buckles make for a custom fit. Includes breathable mesh, military spec hardware, webbing, and Cordura fabric/waterproofing.