Model: Spark GTX
New model for this year (Do not check this option if this model was listed as new in last year’s Gear Guide)Waterproof version of the award winning Sparks. 29% recycled polyester mesh, 40% recycled synthetic leather. Lace and webbing is 100% Ecosensor recycled polyester. Midsole has EcoPure EVA additive to promote degradation in landfill conditions. 25% recycled rubber outsole.