adidas X 17.1 FG Soccer Cleats Core Black/Core Black/Super Cyan. The adidas X 17.1 is the perfect cleat for anyone looking for nothing but pure speed for their game. Worn by some of the fastest; and deadliest players in the game; the X is known for being nigh uncatchable and always ready to score.The Techfit upper f eatures Dynamic Compression material which molds to your foot as soon as you put it on. This sock-like construction allows for ult rafast movements; without any material interfering with your play.NSG (Non-Stop-Grip)micro texture on the upper provides c ontrol in all weather conditions.The \'\'S\'\' curve in the heel comes from adidas\' extremely popular running shoe; the Ultra Bo ost. The curve helps to relieve pressure on the Achilles tendon and helps to make the fit along your heel much more comfortable.The SprintFrame outsole keeps things light and nimble; providing the perfect blend of lightweight stability and traction.WEIGHT: 7.6 oz.SIZE NOTE: All shoes on are men’s sizing unless they are specifically designated as Women’s or Junior/ Youth in the item name. To convert a men’s or junior’s sized shoe to women’s simply add 1.5; example a men’s size 8 shoe is a wome n’s size 9.5 shoe; or a junior’s size 5 is a women’s 6.5. Full Size Chart her e.