An endless summer essential, whether hiking, biking or torching trails. Open-window venting capability that is a Merrell Mark is matched with protective componets: leather strapping, Beneke Ceraprene® bumpers, and medial and lateral flaring ribs. Sticky Rubber Trail Frog™ sole provides exceptional grip.- Slip-Lasted Construction- 1.6mm Pigskin Leather/Breathable- Ventilator Mesh Upper- Breathable Mesh Lining- Benecke Ceraprene® Toe Bumper- Breathable Ventilated Bellows Tongue- 4.5mm Breathable Anatomical Running Footbed- Full Length EVA Air Cushion, Midsole- Merrell Trail Frog™ Sole/Sticky Rubbercolors:olive/green or blue/grey