Maximum Cushioning. Maximum Support. The Pinnacle Maxx Full Length Orthotic shoe insole is our popular Pinnacle style but with a firmer shell and angled heel platform for greater control and foot arch support. Encapsulated design combines the semi-rigid shell with plush VCT and EVA foam for comfort. Pinnacle Maxx arch support insoles increase stability and comfort in casual, athletic and work shoes. An ideal orthotic shoe insole for preventing and alleviating pain associated with moderate over-pronation, plantar fasciitis, heel or arch pain and discomfort, and other common foot conditions.