MENS PROFESSIONAL QUALITY NIKE ELITE RUNNING SOCKS.   SIZE X LARGE 12/15UK 46/50EU. ULTIMATE LUXURY RUNNING SOCKS. NIKE SWIFT TECHNOLOGY. ENGINEERED TO PROMOTE PERFORMANCE BY REDUCING THE DRAG ON THE ANKLE. MOISTURE WICKING KEEPS THE FEET DRY AND COOL. OVER STICHED ANTI RIDE RIBBED CUFFS. FOOT STRIKE CUSHIONING. ANTI BLISTER FLAT SEAMS. ALIGNS PRESSURE PATTERNS PUTTING ULTIMATE COMFORT ON THE HEEL FOREFOOT AND BIG TOE REDUCING IMPACT. ANATOMICAL DESIGN LEFT AND RIGHT ENSURES CONTOURED FIT. THESE ARE SERIOUS SOCKS FOR SERIOUS ATHLETES.  EXCELLENT DESIGN AND QUALITY AS ALWAYS FROM THE NEW NIKE ELITE DRI FIT LIGHTWEIGHT RANGE. SPECIALIST RUNNING SOCKS. LOW PRICE, FAST FREE UK POST!!!!!