Offers a large firm area for your sit bones (ischial tuberosity) to reside. This spreads body weight pressure more widely and is a major component of this saddle's comfort- Relief groove takes pressure off the pudendal artery, promoting blood flow and preventing that numb feeling due to nerve pressure- Narrow width allows you to move your bike around between your thighs easily when things get wild. Combined with the dipped nose it minimizes the chances of your shorts getting hooked up in sticky situations- CrMo: 270g