Ecco LT1 BOA Golf Shoes. Ultra-light, state-of-the-art foam supplies game-changing rebound and softness in the new ECCO M GOLF LT1. This innovative men’s hybrid is created using new ECCO LYTR, an advanced bounce and rebound foam that is embedded in the sole via signature FLUIDFORM™ technology. The foam is seamlessly combined in the midsole with soft PU, which provides contoured comfort, stability and a longlasting integral bond to the leather upper.