Adidas
Adidas F50 Hyperfast League FG Football Boots - Black (KJ3414)
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Adidas F50 Hyperfast League FG Football Boots - Black (KJ3414)
Black / UK 6
Birmingham store
Unit 1,The Quadrant,Summer Hill Rd
Birmingham B1 2PD
United Kingdom
Cardiff (Tower House)
Tower house,13a Ipswich Road
cardiff CF23 9AQ
United Kingdom
Cardiff Cathays store
YC Sports (Cathays)
86-90 Crwys Road
Cardiff CF24 4NP
United Kingdom
Hereford (Clubsport)
4 Bewell Street
Hereford HR4 0BA
United Kingdom
Milton Keynes (National Badminton Centre)
Central Sports - National Badminton Centre - Bradwell Road
Loughton Lodge, Great Holm
Milton Keynes MK8 9LA
United Kingdom
The adidas F50 Hyperfast League FG is a firm ground football boot built around one idea: pace. A lightweight Fiberskin upper carrying the Sprintgrid print sits over a Sprintplate 360 firm ground outsole, and the Adaptive Tunnel Tongue locks the foot down so every acceleration goes into the pitch rather than into slippage inside the boot.
Key Features
- Lightweight Fiberskin upper with Sprintgrid print for a close, responsive touch
- Sprintplate 360 firm ground outsole tuned for straight-line speed and sharp changes of direction
- Adaptive Tunnel Tongue delivers rock-solid midfoot lockdown
- Lightweight construction throughout to reduce fatigue late in a match
- Regular fit with a traditional lace closure
- Available in UK 6, UK 7 and UK 8
- Clean Core Black colourway with Lucid Ray Blue detailing
Performance Overview
On firm natural grass the F50 League feels immediate. The Fiberskin upper is thin and pliable enough to keep the ball close on the dribble, and because it is a synthetic it does not stretch and soften the way a leather boot does after a wet month.
The Sprintplate 360 outsole is the piece doing the real work. Its stud geometry is built for the moment of push-off, giving purchase for the first two or three strides that decide most footraces, and it releases cleanly rather than sticking on the turn.
The Adaptive Tunnel Tongue routes the laces through a tunnel across the instep, so tightening the laces pulls the whole upper down onto the foot instead of just cinching the throat. The result is a boot that stays put when you cut hard.
Benefits
- Genuine F50 speed platform at a league-level price
- Lightweight enough to feel quick without sacrificing structure
- Dependable firm ground traction for natural grass
- Secure lockdown that holds through repeated changes of direction
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Adidas |
| Model | F50 Hyperfast League FG |
| Product Code | KJ3414 |
| Product Type | Football Boots |
| Sport | Football |
| Gender | Unisex / Men |
| Surface | FG - Firm Ground (natural grass) |
| Colour | Core Black / Lucid Ray Blue |
| Upper | Fiberskin with Sprintgrid print |
| Outsole | Sprintplate 360 Firm Ground |
| Tongue | Adaptive Tunnel Tongue |
| Fit | Regular |
| Closure | Lace-up |
| Sizes | UK 6, UK 7, UK 8 |
Why Buy from Central Sports?
- ✅ 100% Genuine & Authorised Products
- ⚽ Trusted Football & Team Sports Specialist
- 📦 Secure Packaging & Fast Processing
- 🤝 Reliable Customer Support
- 🆕 Access to Latest Releases & Collections
Final Verdict
The adidas F50 Hyperfast League FG (KJ3414) delivers the essentials of the F50 line — a thin Fiberskin upper, the Sprintplate 360 outsole and proper midfoot lockdown — without elite-tier pricing.
If your game is built on getting there first, this is the accessible way into adidas's speed boot family. Lace up and go. ⚡
| Specification | Details |
|---|---|
| Brand | Adidas |
| Model | F50 Hyperfast League FG |
| Product Code | KJ3414 |
| Product Type | Football Boots |
| Sport | Football |
| Gender | Unisex / Men |
| Surface | FG - Firm Ground (natural grass) |
| Colour | Core Black / Lucid Ray Blue |
| Upper | Fiberskin with Sprintgrid print |
| Outsole | Sprintplate 360 Firm Ground |
| Tongue | Adaptive Tunnel Tongue |
| Fit | Regular |
| Closure | Lace-up |
| Sizes | UK 6, UK 7, UK 8 |
Frequently asked questions
Sizes listed: UK 6, UK 7, UK 8. Availability varies by size – the size selector shows what's in stock.
Fit: Regular.
Designed for: FG - Firm Ground (natural grass).
Yes – unworn shoes in their original, undamaged box can be returned within 14 days of purchase for a refund or exchange. Please put the shoe box inside a bag (no tape on the box). See our returns policy.
Standard delivery is free on mainland UK orders over £65 (2–5 working days), and next-day delivery is free on mainland UK orders over £150. Highlands, Scottish islands, Channel Islands and Northern Ireland carry a surcharge. See our delivery policy for cut-off times and options.