Built with innovative technology and designed without the constraints of world race regulations, the Prime X 2 Strung offers more performance-driven features in a single race shoe. It´s constructed with a STRUNG upper, a textile innovation that transforms athlete data into a dynamic material tuned to the athlete´s needs. Prime X 2 Strung also has 3 layers of LIGHTSTRIKE PRO, in a stack height of 50mm. With an all-new energy core between two layers of foam, it helps to reduce weight and provide spring in the fore- and midfoot, so you can chase your fastest moment. An outsole featuring Continental compound delivers serious grip on a variety of surfaces. FEATURES:THE HIGH-STACKED RACE SHOE PACKED WITH PERFORMANCE-DRIVEN FEATURES. - Regular fit - Lace closure - STRUNG upper - Textile lining - Lightstrike Pro cushioning - Weight: 308 grams (size UK 8.5) - Midsole drop: 7 mm (heel: 50 mm / forefoot: 43 mm) - Continental™ Rubber outsole - Upper contains a minimum of 50% recycled content LIGHTSTRIKEPRO- STRUNG UPPER The strung upper is meticulously crafted with layered strengthening where it counts most in the midfoot and heel, plus targeted flexibility in key expansion zones in the forefoot. A knitted tongue is designed to enhance the lock-in feel. 3 LAYERS OF LIGHTSTRIKE PRO Three layers of LIGHTSTRIKE PRO, more than in any other adidas running shoe, create a stack height of 50 mm. An energy core between two foam layers helps to reduce weight, giving more spring in the fore- and midfoot. CONTINENTAL™ OUTSOLE The outsole features Continental™ compound for superior grip on challenging surfaces. 2 CARBON-INFUSED PLATE SYSTEM The new LIGHTSTRIKE Pro core is framed by two carbon infused plates. Together, they are designed to create a platform for more responsiveness throughout your run.