Samurai Speed 2 Red x White 【MIZUNO | Mizuno】 Rugby Spikes Used a few times in adult rugby. Maintained before listing, and confirmed that the stud screw holes are fully functional. Aluminum studs, nylon studs (9 each, with 1 spare), and wrench included. Mizuno, rugby replacement stud spikes. Lightweight model emphasizing speed. Uses supple artificial leather based on ultra-fine fibers. The insole has unevenness in the midfoot to reduce stud pressure. ◆ Microfiber artificial leather ◆ Cup insole (pressure-relieving type) ◆ 6x2 layout sole ◆ Steel top studs Upper: Artificial leather (microfiber) Sole: Synthetic resin sole Color: Red x White Release: February 2017 (NEW color)