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Boot model guide

Adidas X, explained.

Engineered for pace. The Adidas X is Adidas’ dedicated speed boot, built for players who rely on blistering pace and quick transitions, from the SpeedFlow and Speed Portal to the latest CrazyFast.

Our Adidas X speed football boots lineup includes laced and laceless options, plus the innovative CrazyFast Strung with its knit construction for a sock-like fit. Each model prioritises lightweight materials, a locked-in feel, and aggressive traction patterns for explosive movement. As part of our elite football boots collection, we stock colourways and variations you won't find in standard retail. Check out our Adidas X speed football boots below and message us on WhatsApp to confirm sizes, stock availability, and fast UK delivery.

Questions, answered.

What is the Adidas X range?

The Adidas X speed football boots range includes CrazyFast, SpeedFlow, and Speed Portal models. Each is engineered for explosive pace, quick direction changes, and lightweight performance.

Is the Adidas X series laceless?

The Adidas X range comes in both laced and laceless options. We stock both versions across CrazyFast, SpeedFlow, and Speed Portal so you can choose your preferred fit.

Who should wear Adidas X boots?

Adidas X speed boots are ideal for forwards and wingers who rely on pace to beat defenders. The lightweight construction and speed-focused soleplate help maximise acceleration.

Still not sure which pair is right for you?

Size guides

UK, US, EURO and CM equivalents. Pick a brand to see its chart.

Nike size conversions
UKUSEUROCM
5638.524
5.56.53924.5
674025
6.57.540.525.5
784126
7.58.54226.5
8942.527
8.59.54327.5
9104428
9.510.544.528.5
10114529
10.511.545.529.5
11124630

Between sizes or not sure?Full size guide

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