The Gel-Trail Lahar 2 Gore tex shoe is completely waterproof and breathable... It is an ideal nordic walking or trail running shoe... It ensures your feet stay warm and dry even in extreme weather conditions... The Gel-Trail Lahar 2 G-TX offers excellent uphill and downhill traction on all types of terrain, thanks to the outsole's reversed lugs... The outsole is constructed of ASICS High Abrasion Rubber - which ensures minimum wear and maximum durability...