Oboz O Fit Plus Medium Arch Thermal Insoles - This anatomically-designed trim to fit thermal insole maximizes stability and support while reducing heat loss to keep your feet happy. Remove old insole. Trace old over new. Cut new. Replace new Weight: 1.6oz/45g Maximizes stability and support with a medium arch and deep cushioning heel cup Poron Comfort pods provide superior shock absorption and rebound You can have the same fit, feel and performance from Oboz in every pair of shoes Style: 100002