X-BIONIC Terraskin X01 trail running shoes pair Speedframe Pro construction with a second-skin fit to deliver stability and traction for medium and long-distance trail runs. Key attributes: Black | High traction for technical trails | Enhanced heel support and stability | Cushioning tuned for longer distances | Elevated 3.5–3.7 mm lugs for grip | Speedframe Pro construction | 3D Achilles Tendon protector | Twin 3D foam | V-shaped heel counter | Socks included | Trail running shoe | Second-skin upper | Elevated lugs for technical terrain | Dimensions & fit: Snug, second-skin fit | Designed for medium and long-distance trail running