Ultimate comfort insole solution specifically designed for the hiker. DEEP HEEL CUP Prevents heel slip and toes from hitting the front of the boot DURABLE CONSTRUCTION Superfeet insoles keep their shape, delivering reliable support and comfort for up to 12 months or 500 miles, whichever comes first H.I.T. (HEEL IMPACT TECHNOLOGY) POD Disperses impact for ascents and descents AEROSPRING™ ASCENT DUAL COMFORT FOAM Reduces fatigue and provides reliable stability for the rigors of a good hike MOISTUREWICK™ With long-lasting odor control EVOLYTE™ CARBON FIBER STABILIZER CAP Improves support and stability for the trail