The new KARHU trail (Water Resistant) running shoe is designed with a slightly higher forefoot volume to allow toe splay and lasting comfort on long trail runs. The mid-cushioned AeroFoam Trail combined with the 5mm results in underfoot protection while still having a solid ground feel. The unique ascending Fulcrum cradles the foot and propels you forward for an efficient ride on the flats. up and downhill. -Asymmetrical Forefoot Lace for adjustments on the fly -Ascending Fulcrum for a smooth. efficient ride that cradles and propels the foot when climbing and descending -Integrated Toe Bumper for protection from roots and rocks -Specialized M-lugs & T-lugs for superior grip on the uphill. downhill. wet. and dry -AeroFoam Trail for durability. comfort. and rugged two-piece construction -Midfoot Snag Strap for keeping laces tied and free from catching -M-lock lacing to secure the midfoot -Pack Loop for easy stow and carry