Reinforcements to prevent this happening when wearing the Warra from Salomon include a stable yet flexible tongue, supportive heel cap, lace closure and a padded waterproof GORE-TEX membrane.With a breathable, waterproof GORE-TEX membrane and expert grip from Contagrip, it\'s scored highly for robust durability. Added support comes from the shock-absorbing supportive heel cap and partly spongy tongue to promote natural motion of the foot.Shock absorbingSupportive heel capFlexible tongueVentilatingWaterproof and breathable membrane - GORE-TEXInsole: Ortholite - odour-resistantOutsole: Contagrip in rubber