Men's or Women's Altra Superior 4 Trail-Running Shoes

Quantic™ midsole foam cushioning combines responsive performance in a lightweight package
Rounded heels and TrailClaw™ tread design make for nimble handling over varying terrain
Redesigned, wraparound-style knit uppers provide added security and support
Zero Drop™ platform and FootShape™ toe box let the toes splay out naturally
Removable StoneGuard™ rock plates allow customizable protection as trail ruggedness changes
Sticky MaxTrac™ rubber outsoles provide surefooted traction
Stack height: 21mm
Altra indicates these shoes fit true to size