Endura's FS260-Pro SL Bibshorts Long are made of Italian power Lycra fabric for excellent muscle support and feature Coldblack technology to dramatically reduce the heat. These UPF50+ shorts have a longer leg length, precurved race fit, and mesh upper for optimal breathability. Plus, you'll love Endura's 700-Series antibacterial semi-custom fit chamois so you can chose the ideal width to match your body, bike geometry, and riding position.