Mud Contagrip® outsole with deep, sharp lugs for maximum grip on loose and uneven surfaces. EnergyCell™ midsole provides exceptional energy return, cushioning, and durability. Anti-debris mesh and ripstop fabric prevent debris entry and resist tearing. Quicklace® system allows easy one-pull tightening. Made with recycled materials for sustainability. Synthetic and textile upper. Rubber outsole. Textile lining. Textile insole.