Women's Boatside Breathe PFG Impression wicking technology pulls sweat and Size:US:S REL wicking technology pulls sweat and dampness away from the skin and helps it evaporate quickly and mesh upper Omni Techâ„¢ waterproof breathable seam sealed membrane bootie construction Metal hardware TechLiteâ„¢ midsole provides sustained cushioning and impact absorption using lightweight responsive foam PFG specific traction pattern and design 5 Omni Grip™ LT provides enhanced traction and durability with ground contact foam that’s 60% lighter than rubber for stability and grip on varied surfaces Saves over 50% of the weight of traditional rubber while delivering incredible traction for every step you take