The Gel Trail Sensor 3 WR - TB2N from Asics is for a trail runner who demands a shoe which provides superior traction-protection and can adapt to all types of running surfaces. Featuring a new lower profile midsole and an improve Trail Specific Impact Guidance System. I.G.S. Also features Inner Lock Lacing System. Solyte Midsole Material. Trail Sensor. Water Resistant Upper. and Performance Trail Outsole.