Check out the galaxy when you fly in the adidas Running Solar Boost 19 running shoes. Predecessor: Solar Boost. Support Type: Neutral. Cushioning: Lightweight, flexible response. Surface: Road. Differential: 10 mm. Breathable air mesh upper promotes airflow. Structurally-supportive synthetic mid-foot cage. Lace-up closure. Bootie construction supplies a snug, sock-like fit. Smooth textile lining. Removable foam insole. FITCOUNTER molded heel counter offers a natural fit that allows optimal movement of the Achilles tendon. Solar Propulsion rails along the sides help guide the foot through each stride. Ultracushioned boost midsole is optimized for a responsive ride. Continental rubber outsole delivers reliable grip over wet and dry surfaces. STRETCHWEB rubber in the outsole flexes for increased energy underfoot. Imported. Measurements: Weight: 9 oz Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.