Features: 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) provides better fit and comfort Foot form contour comfort insole provides extra support to arch and heel and is removable Rain boots have reinforced critical stress points for long wear