View SOLE Insole Molding Instructions for more infomation on how to customize SOLE footbeds. Features and Benefits of Sole Softec Insulated Insoles Softec top layer adds supplemental comfort to SOLE's signature arch support technology. Tremendously assists those who deal with the daily discomforts of plantar fasciitis. Aligns your foot to a natural, healthy shape while simultaneously limiting lower limb pain and preventing injuries. 3.2mm Softec build delivers extraordinary all-day comfort. 400 Gram 3M Thinsulate insulation EVA blend optimized to mould Open-cell Softec, cushioning Moisture-wicking, polyester top sheet Two options for molding the orthotic: heat in the oven, or wear repeatedly. We recommend heating. Approved by the American Podiatric Association. Recommended for cool conditions and high volume footwear like: winter boots, hiking and mountaineering boots, work boots and snowboard boots. Available in men's full sizes 4-16 and women's 6-12.