3 mm thick neoprene provides good heat comfort.
The bottom part is made of Supratex offering abrasion resistance and more insolation.
Shaped bottom is raised offering great comfort in sitting position and protecting lower back, a part very sensitive to cold conditions.
Classic neoprene foam has both sides laminated with flexible knit.
Neoprene rubber is laminated with a layer of very elastic and abrasion resistant knit.