Ecco - Spark Bootie (Petrol/Petrol/Black) - Women's: The Spark Bootie has ultra modern design with all the comfort of Ecco(R). Combo leather, suede and textile uppers are breathably soft with unique style. Padded tongue and collar give you instant comfort. Textile lining helps absorb moisture to keep your feet cool and dry. Leather lined, molded PU insole absorbs shock to prevent foot fatigue. Single component, polyurethane outsole with rubber inserts gives you lightweight support with good traction. Direct Inject technology where liquid PU bonds the upper to the outsole for a watertight seal. This provides superior cushioning, stability and lightweight durability.