Versatility at its best is the only way to describe the Wave Daichi 8. MIZUNO ENERZY (FOAM): Offering versatility in its application, while still maintaining softness and resilience.  It will help enhance performance capabilities. Foam Wave: A Wave of comfort made of 2 layers of foam.  Top layer is U4icX and bottom layer Mizuno Enerzy Foam Wave: A Wave of comfort made of 2 layers of foam.  Top layer is U4icX and bottom layer Mizuno Enerzy Rock Plate: Designed to protect your foot from sharp objects, rocks or roots while you are on the trail. Woven Upper: Soft, breathable, light woven material. Gusseted Tongue: Stretchy tongue lining that hugs the foot securely and comfortably without any stress. Hidden Shoelace Pocket: Hidden pocket on tongue to secure loose shoelaces. Toe Guard VIBRAM® MEGAGRIP OUTSOLE: VIBRAM®'s leading high performance compound. It provides outstanding grip, especially on wet and uneven terrain. 30% more vertical grip and 20% more lateral grip than conventional VIBRAM® soles. VIBRAM® TRACTION LUG: VIBRAM®'s unique lug design that adds stability by increasing traction up to 25% and improving surface area by 50%. 4mm Lug Height Eco Friendly Materials: Recycled materials