Low, light, and featuring an improvement on an already monster grip, the S-LAB FELLCROSS 2 continues to dominate as it was designed for racers, by the world's top fell running racers. Lace Pocket. Tongue Cover. Protective Tpu Toe Cap. Sensifit. Quicklace. Quicklace. Low Profile. Fell Running Last. Mud&Snow Non-Marking Contagrip. Low Profile. Light Weight Muscle. Compressed Eva. Ortholite. Mid Feather Construction.