Merrell Chameleon Shift Hiking Shoes Nubuck Leather and Mesh Upper - Durability, comfort and temperature regulation in one. Stratafuse Exoskeleton - Fuses the heel cage to mesh uppers for extreme lightweight durability. Bellows Tongue - Keeps debris out. Traditional Lace Closure - For secure and no nonsense fastening. Grade 2 Nylon Insole - For trail hiking