Superfeet Trailblazer Comfort insoles stabilise your feet on uneven ground, minimising fatigue and reducing the shifting that can lead to hot spots and blisters.__ Whether you're out for a rigorous day hike or simply enjoying everyday adventures, TRAILBLAZER insoles give you maximum comfort.Aerospring Ascent dual comfort foam reduces fatigue and provides reliable stability EVOLyte carbon fibre stabiliser cap improves support and stability for the trail Deep heel cup prevents heel slip and toes from hitting the front of the boot H.I.T. (Heel Impact Technology) Pod disperses impact for tough ascents and descents MoistureWick with odour control