Features: Stay dry and get the job done with the Servus Unisex Comfort Technology Rubber Knee Rain Boots. Keeping your feet dry in over a foot of water, these are great rubber boots for general use in tough conditions. Constructed without seams for maximum moisture protection, mud, muck, water, and snow are no match for these rubber rain boots. Unisex rubber rain boots made to withstand the elements CT (comfort technology) is a unique scalloped top-line design to reduce calf area irritation 100% waterproof rubber boots with seamless molded construction Trac 10 outsole design enhances slip resistance and stability underfoot Graduated boot heights (consistent with shoe sizing) provide better fit and comfort Foot form contour comfort insole provides extra support to the arch and heel and is removable Rain boots have reinforced critical stress points for long wear