Engineered with a PWRTRAC rubber sole and rock guard for superior traction on tough terrain, this running shoe conquers any trail with ease and stability. Trail: provides superior stability and traction on hills, uneven surfaces and changing terrain Neutral: provides soft, even cushioning with an emphasis on comfort during any activity Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Removable insole Synthetic upper and lining/rubber sole Imported