Ariat Nitro Max Ladies Tall Riding Boots Dr Show Super Mouse Use in short 30 40min sessions Use in short 30 40min sessions or multiple times daily in severe cases This fabric gives a soft moisture wicking layer against your horse NITRO™ stabilizing frame for support with forefoot flexibilityShock Shield® diffuses heel strike impact to minimize fatigueRemovable NITRO™ insole for shock absorption and reboundDuratread™ sole with rider tested traction zonesFull length elasticized panel on lateral side with oiled leather inner panelLightweight chassis for heel and mid foot torsional stabilityMobility notchFull length premium quality coiled YKK® zipperPremium full grain leather upper with oiled inner calf panelLeather liningMesh X Static® pure silver lining prevents odours100% Leather Blue ribbon ready with its winning combination of lightweight flexibility and targeted support