GAIN CONTROL MYSTERY BOX 2026 🌎⚽ – collection of 1,248 unique shin pads variants
MYSTERY BOX 2026 is a special collector’s edition created for football fans and lovers of unique gear.
Each box contains a pair of Gain Control shin guards featuring the name of one of 48 national teams and a number from 1 to 26.
Only 1,248 unique collector’s variants have been produced in total.
Examples:
France #10
Argentina #10
Portugal #7
Every national team and number combination has been produced only once. If you receive a specific variant, you become the owner of the one and only edition of that model within the Gain Control Mystery Box 2026 collection.
Why choose MYSTERY BOX 2026?
- 1,248 unique collector’s variants
- Every country and number combination exists only once
- The excitement of a true mystery unboxing experience
- A limited-edition collection for football fans
- A perfect gift idea
- Contents worth more than the price of the box
What’s inside?
- Unique Gain Control 2026 shin guards
- Premium football socks
- Color-matched protective foam sleeves
- Color-matched ankle wrap
Your product variant is assigned automatically from the available pool of 1,248 unique editions.
Exchanges are available only in the case of manufacturing defects. Full terms and conditions can be found in our Terms & Conditions.
FAQ – Mystery Box
1. What products are included in the Mystery Box?
Each box contains unique Gain Control 2026 shin guards, premium football socks, and additional football accessories.
2. Can I choose specific products?
No. You can only choose the size of the shin guards and socks. The specific product variant is selected at random.
3. Can I exchange products from the Mystery Box?
No. Mystery Box products cannot be exchanged, except in the case of manufacturing defects.
4. Is the Mystery Box cheaper than buying the products separately?
Yes. By purchasing a Mystery Box, you receive the products at a better value than buying them individually.
5. How do I choose the correct shin guard and sock size?
A size guide is available with every Mystery Box to help you select the right size.
6. Is the Mystery Box a good gift?
Absolutely! The Mystery Box makes a great gift, featuring practical and unique football products.
7. Can I return a Mystery Box?
Due to the nature of the product, returns are accepted only in the case of manufacturing defects.
8. Is every Mystery Box the same?
No. The accessories are selected at random, making every box unique.
9. If I buy multiple Mystery Boxes, will I receive duplicate products?
We guarantee that every Mystery Box contains a unique shin guard variant and an overall package of comparable value. As long as different variants remain available, no two Mystery Boxes will contain the same national team and number combination.
Shin guards Gain Control are a combination of impact resistance and a modern design. Give yourself a professional protection and take the initiative on the pitch.
How to put on the protector correctly:
- Put on the GC sock 🧦
- Slide the GC shin pads over the sock 🛡
- Position the shin pads in the middle of the shin 💪
- Wrap the shin pads and leg with GC protective foam ⚽
- Enjoy the game and take control of the match!🎮

FREE protection foam Gain Control included with every pair of shin pads.
Gain Control shin pads:
- Ultra-lightweight,
- Perfectly fitted,
- Durable – compliant with FIFA Law 4 regulations
- Product manufactured in Poland by Gain Control sp. z o.o. based in Wola Zgłobieńska,
- Protection against superficial mechanical injuries
- Size XS: Lenght: 9,5 cm, Width: 5,7 cm, Thickness: 0,5 cm, Weight: 13g,
- Size S: Lenght: 12 cm, Width: 8 cm, Thickness: 0,5 cm, Weight: 23g,
- Size M: Lenght: 14 cm, Width: 8,3 cm, Thickness: 0,5 cm, Weight: 28g,
- Size L: Lenght: 16 cm, Width: 8,5 cm, Thickness: 0,5 cm, Weight: 32g,
- FREE protection foam Gain Control is included with the Gain Control shin pads to ensure proper fastening of the guards,
- Two years warranty,
- Possible payment methods: electronic payment, traditional transfer. In the case of electronic payment and traditional bank transfer, the product will be delivered within 14 business days of making the payment,
- Information on how and when to make a complaint, as well as a model withdrawal form, can be found in the complaints section (Complaints – Gain Control). The consumer has 30 days to withdraw from the contract. In the event of withdrawal, the goods must be returned by courier service to the address indicated in the Terms and Conditions. The costs of returning the goods in case of withdrawal from the contract shall be borne by the limited liability company Gain Control,
- Gain Control is obliged to deliver the product without defects.
Size selection guide:
| Calf circumference ⭣ / Shin length ⭢ | 25 cm | 30 cm | 35 cm | 40 cm | 45 cm |
| 25 cm | XS | XS | S | S | M |
| 30 cm | XS | S | S | M | M |
| 35 cm | S | S | M | M | L |
| 40 cm | S | M | M | L | L |
| 45 cm | M | M | L | L | L |
Instruction manual Shin Pads
Instruction manual – Shin Pads Gain Control XS











