Built with underfoot traction that can traverse rocky terrain with ease, this running shoe provides a smooth and supportive ride in the great outdoors. Trail: provides superior stability and traction on hills, uneven surfaces and changing terrain Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort Nike React foam sole turns every step into springy returned energy Flywire cables integrate with the laces for secure, flexible lockdown at the midfoot Removable insole Textile upper and lining/rubber sole Imported