FOUL
FOUL is a bootstrapped Czech direct-to-consumer brand that designs and manufactures customizable, lightweight football shin guards and grip socks in the EU, shipping to over 100 countries and serving amateur, semi-professional, and professional players worldwide.
- Company typePrivate
- Founded-
- HeadquartersRudíkov, Czechia
- Headcount—
- GTM typeB2C
- OfferingHardware or Manufacturing
What FOUL does
FOUL s.r.o. is a privately held Czech company headquartered in Rudíkov that designs, manufactures, and sells football protective equipment and accessories direct-to-consumer through its foulshop.com online storefront. Its core product is flexible, lightweight shin guards sold in four tiers — Carbon ($86-$137), Light ($50-$77), Classic ($41-$50), and Kids ($46-$73) — built around proprietary carbon-fiber-with-aluminum-plate construction and a flexible shell engineered to conform to individual shin shapes. The full product line extends to grip socks with silicone-hex anti-slip technology, compression shorts, bags, training/recovery equipment, nutrition bars, and a customizable football diary, with most items available with ID personalization (initials, numbers, names) and bespoke custom designs reviewed by in-house designers before production.
The business operates a pure D2C e-commerce model, shipping from Czech production facilities to over 100 countries via DHL, with localized storefronts in seven languages and free-delivery thresholds (€100 EU, $150 international). Revenue is generated entirely through one-time unit sales at the listed price points, with premium tiers and custom design services carrying meaningful upsells. The company is bootstrapped and founder-led by Štěpán Rybníček (web and marketing) and Pavel Chalupa (production, logistics, and operations), with no disclosed external funding, no institutional investors, and a small operational footprint.
Customer acquisition is product-led, driven by an extensive portfolio of professional footballer endorsements — including Bukayo Saka, Granit Xhaka, Michał Żuk (FC Barcelona), Vladimír Coufal, and others — combined with social media presence on Instagram, Facebook, YouTube, and TikTok, and earned-media coverage in Forbes, CzechCrunch, and other outlets. The brand has cultivated a stated base of 100,000+ customers worldwide and has begun building adjacent community properties (FOUL camp, FOUL cup, FOUL challenge, Futcut football cards) that extend the company from a single-product vendor toward a broader football-lifestyle brand.
FOUL firmographics
Firmographics- Name
- FOUL
- Legal name
- FOUL s.r.o.
- Website
- https://foulshop.com
- Company type
- Private
- Operating status
- Operating
- Short description
- FOUL is a bootstrapped Czech direct-to-consumer brand that designs and manufactures customizable, lightweight football shin guards and grip socks in the EU, shipping to over 100 countries and serving amateur, semi-professional, and professional players worldwide.
- Ownership category
- akta.pro rank
FOUL industry classification
Industry- Product category
- Football Protective Equipment
- NAICS
- Sporting and Athletic Goods Manufacturing (339920), Sporting Goods Retailers (45911)
- SIC
- Sporting & Athletic Goods, Nec (3949)
- akta.pro primary industry
- Team Sports Protective Gear & Sports Medicine Retail (CRAMAEAJ)
- akta.pro secondary industries
- Team Sports Equipment & Uniforms Retail (CRAMABAE), Soccer/Football Footwear & Apparel Retail (CRAMACAC)
Keywords
Where FOUL is headquartered
LocationHeadquarters
- HQ city
- Rudíkov
- HQ country
- Czechia
- HQ region
- Europe
Offices1 record
Markets served
FOUL business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Direct Product Sales: One-time purchase model for physical goods including shin guards, socks, clothing, accessories, and training equipment sold directly through the e-commerce website.
- Customization Services: Additional charges for personalized custom designs, ID printing, club badges on shin guards, socks, towels, and other accessories.
- Bundled Products: Multi-pack products (e.g., 3-pack socks, winter pack bundles) offering discounted pricing compared to individual items.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Football Shin Guards - Carbon (Premium) |
| Unit Pricing | Pay-as-you-go | Football Shin Guards - Light |
| Unit Pricing | Pay-as-you-go | Football Shin Guards - Classic |
| Unit Pricing | Pay-as-you-go | Football Shin Guards - Kids |
| Unit Pricing | Pay-as-you-go | Football Grip Socks |
| Unit Pricing | Pay-as-you-go | Accessories |
| Unit Pricing | Pay-as-you-go | Free Shipping Threshold |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels7 records
FOUL product offering
Product offeringCore offering
FOUL designs, manufactures, and sells customized football protective equipment — primarily flexible and carbon-fiber shin guards — along with anti-slip grip socks, football clothing, training/recovery accessories, bags, and nutritional products. Sales are conducted direct-to-consumer through the company's own online storefront with international shipping and optional paid personalization (initials, names, numbers, club badges, full custom artwork).
Product overview
FOUL is a Czech football equipment manufacturer specializing in customizable, flexible shin guards as their core product. Their portfolio includes multiple shin guard lines (Carbon, Light, Classic) available in standard, personalized ID, and fully custom design variants. Beyond shin guards, they offer football-specific accessories including grip socks with various customization options (individual and 3-packs), clothing items (compression shorts, T-shirts, caps, hats, neck warmers), training equipment (massage sets, resistance bands), bags and storage (backpacks, football bags, gymsacks), personal care items (towels, shoe care products), and nutritional products (protein and energy bars). The company emphasizes made-to-order customization across many products, allowing customers to add initials, names, numbers, or club badges. Production is primarily in the Czech Republic/EU with a focus on quality materials and personalized service.
Differentiator
Problem solved
Functional benefit
Brands
- FOUL camp: A football camp full of experiences for participants to remember for a lifetime.
- FOUL cup
- FOUL challenge
- Futcut
Products and services
- Football shin guards - Carbon Premium carbon-fiber flexible shin guards designed to be lightweight, adaptable to shin shape, and comfortable during play for adult and youth football players.
- Football shin guards - Light Ultra-lightweight flexible shin guards made in the Czech Republic that adapt to any shin shape and are designed to be barely noticeable during play.
- Football shin guards - Classic Lightweight flexible shin guards with EVA foam padding and aluminum protective plate that adapt naturally to shin shape for maximum comfort.
- Football shin guards - Custom Design Fully customized shin guards where customers describe their design idea and upload pictures; FOUL designers create a preview for approval before production.
- Football shin guards - Kids (with ID and custom variants) Flexible shin guards sized for children, available in ID, ID+badge, and custom design variants with the same flexible construction as adult models.
- Football grip socks Anti-slip football socks with silicone-based non-slip pads at the bottom, thicker material in heel, foot, and toe areas, and breathable panels for stability and blister prevention.
- Football grip socks - 3 pack Bundle of three pairs of FOUL grip socks sold at a discounted price compared with individual purchases.
- Compression shorts Compression undergarments for footballers, made in the Czech Republic from high-quality Italian fabrics to provide comfort and support during training and matches.
- Sports Bottle 750 ml EU-made sports water bottle in BPA- and phthalate-free materials with a leak-proof cap, suitable for football training and travel.
- Backpack with ID Lightweight 14-litre waterproof backpack in PU leather designed for football players, with multiple pockets, comfortable straps, and personalization options.
- Football Bag 53-litre football bag made of durable 100% polyester, with a main compartment for clothing and a separate lower section for two pairs of football boots.
- Gymsack Drawstring back bag made of 100% polyester with the FOUL logo for carrying football boots and equipment.
- Football sleeves with pocket Compression sleeve covers with an internal pocket that holds shin pads securely in place to prevent them from falling down or turning during play.
- Massage set 3in1 Lightweight foam massage set including roller, ball, and peanut-shaped roller for muscle relaxation, flexibility, and injury prevention.
- Resistance Band Resistance band for strengthening muscles, improving explosiveness, and injury prevention, suitable for warm-up, rehabilitation, and individual workouts.
- Football journal Czech-language mental-skills development journal for footballers to record thoughts, reflect on emotions, and improve focus, confidence, and resilience.
- Neck warmer FOUL Lightweight, breathable 100% polyester face and neck covering that keeps players cool and dry while providing warmth.
- Towel FOUL Custom ID 75 x 140 cm sports towel from a Czech manufacturer made of 100% cotton terry fibers, with custom ID personalization.
- Winter pack FOUL Bundled set of a winter hat and neck warmer, both quick-drying and breathable for cold-weather football play.
- Undertape Soft, light foam bandage tape to wrap shin guards and fix them in place, wicking away water and preventing direct skin contact.
- Sock tape Self-adhesive, flexible, breathable sock tape used to attach shin pads; light, strong, and reusable across multiple games.
- Protein bar salted caramel Premium gluten-free protein bar with 23g of protein, made from dates, peanuts, and cocoa butter with Belgian white chocolate and salted caramel flavour.
- Energy Bar raspberry & apple Vegan, no-added-sugar fruit energy bar with date paste, freeze-dried raspberries and apples, gluten-free oats, and almond cream.
- T-Shirt (Tiki-Taka and Mundial lines) Football-themed cotton T-shirts sold under themed lines including Tiki-Taka and the limited Mundial edition.
- Trucker cap FOUL Stylish mesh-back trucker cap with plastic fastening, available with optional personalized initials.
- Hat Winter beanie made in the Czech Republic from Schoeller CLIMAYARN (60% merino wool, 40% polypropylene) for thermal comfort and moisture management.
Quantifiable outcome
- 100,000+ satisfied customers worldwide
- +1 more outcomes
Companies that use FOUL
Customer profileNamed customers30 records
Segments3 records
Ideal customer profiles2 records
FOUL technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration10 records
Feature4 records
FOUL partnerships and signals
Strategic signalScale indicators3 records
Recent moves6 records
Expansion highlights5 records
FOUL competitors and assessment
Company assessmentDirect peers
- Storelli: Soccer-specific protective gear brand offering shin guards, slide shorts, and goalkeeper gloves marketed to competitive players. Direct peer in football-only premium protective equipment with similar player-focused positioning.
- Uhlsport: German football equipment brand with deep heritage in goalkeeper gloves, shin guards, and team apparel. Comparable European football-specialist competitor across multiple of FOUL's accessory categories.
- Trusox: US grip-sock specialist using patented anti-slip technology to lock the foot inside the boot. Directly competes with FOUL's grip-sock line on the same performance/comfort narrative.
- G-Form: US-based maker of flexible, lightweight protective sports gear including football/soccer shin guards using proprietary RPT (Reactive Protection Technology) foam. Directly competes with FOUL on the core value proposition of ultra-light, comfortable protective equipment.
- Select Sport: Danish football equipment manufacturer offering shin guards, balls, and team apparel across Europe. Comparable position as a European-origin football specialist competing in shin guards and accessories.
- CEP (medi GmbH): German compression-sportswear brand specializing in socks and compression wear used by runners and footballers. Directly comparable on the compression-shorts and grip-sock product lines FOUL sells.
Broad incumbents
- Diadora: Italian heritage sportswear brand with football boots, kits, and shin guards. Comparable football-gear portfolio though positioned as a broader incumbent rather than a custom/niche specialist.
- Adidas (Football): Global incumbent offering Predator, X, and Copa shin guards alongside boots and kits worn by elite professionals. Comparable football-protective category with massive brand and sponsorship advantages.
- Puma (Football): Global sportswear brand with a football portfolio including Future and Ultra shin guards and high-profile player deals. Competes in the same shin guard category from a broader-portfolio position.
- Nike (Football / Mercurial line): Global incumbent with Mercurial/Vapor/Tiempo shin guards bundled with boots and worn by the world's top footballers. Comparable product category but vastly broader portfolio and player-sponsorship machine.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
FOUL social profiles
Digital presenceFOUL financial estimates
Financial estimateRevenue estimate
Valuation estimate
FOUL leadership team
Management profileNumber of profiles
Profiles2 records
FOUL funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
FOUL M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about FOUL
What does FOUL do?
FOUL designs, manufactures, and sells customized football protective equipment — primarily flexible and carbon-fiber shin guards — along with anti-slip grip socks, football clothing, training/recovery accessories, bags, and nutritional products. Sales are conducted direct-to-consumer through the company's own online storefront with international shipping and optional paid personalization (initials, names, numbers, club badges, full custom artwork).
Is FOUL a public or private company?
FOUL is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was FOUL founded?
FOUL was founded in -1.
Where is FOUL based?
FOUL is headquartered in Rudíkov, Czechia, in the Europe region.
How does FOUL make money?
Three revenue lines are on record. Direct Product Sales are the primary driver. The others are customization Services and bundled Products.
Who are FOUL's main competitors?
Direct peers on record are Storelli, Uhlsport, Trusox, G-Form, Select Sport and CEP (medi GmbH). Broad incumbents are Diadora, Adidas (Football), Puma (Football) and Nike (Football / Mercurial line).
Does FOUL have an API?
No public API is recorded for FOUL.
What industry is FOUL in?
FOUL's product category is Football Protective Equipment. Its primary akta.pro industry code is CRAMAEAJ, Team Sports Protective Gear & Sports Medicine Retail, with a secondary code of CRAMABAE, Team Sports Equipment & Uniforms Retail. Its NAICS code is 339920 and its SIC code is 3949.