Results of an independent study conducted with Progressive Sports Technologies based at Loughborough University showed that the double CloudTec® reduces both the onset and duration of muscle soreness

while the nylon plate and 5 pyramid spikes improve propulsion and grip

Midfoot shank for overall stability

The MIZUNO ENERZY FOAM in the top midsole offers incredible cushioning and energy return

Easy to clean

Swiftwick Aspire Sock Seven (Crew) Fit_Extra Extra Wide Results of an independent studyThe ASPIRE Line is thin and light for serious runners and cyclists, yet still perfect for athletes of any sport. Managed Compression prevents bunching and hot spots by supporting all 3 arches in the foot. Linked Toe technology prevents blisters by eliminating bunching in the toe box. Socks are knitted at 200 needles, the highest youll find in socks. The higher the needle, the tighter the knit. This high gauge construction produces a softer, denser,