Spenco Knee Support Insole, Trim to Fit, Men's 7-13 / Women's 5-11

Semi-rigid stability cradle provides medium arch support, deep heel cupping and comfort through the stride Provides improved motion control to reduce over-pronation and supination – the leading cause of many common injuries such as runner’s knee Designed for those seeking semi-rigid support to improve knee discomfort Forefoot perforations increase air flow for enhanced breathability Trim-To-Fit sizing fits most shoe types and foot sizes