As with all Stuburt shoes the Helium Tour eVent is made from the finest materials, the high end microfibre upper has memory characteristics that prevent your feet from swelling after hours of walking around the golf course, making this shoe one of the most comfortable available. Constructed using eVent fabrics which created the original air permeable and waterproof membranes to keep outdoor enthusiasts dry and comfortable in the most demanding conditions. eVent fabric uses patented direct venting technology to simply let sweat out. This gives the best possible breathability in waterproof footwear. This helps prevent overheating, keeps socks dry and helps prevent blisters caused by excess moisture.