What Mystershirt does

Mystershirt is a Belgium-based direct-to-consumer e-commerce company that sells mystery boxes containing authentic soccer jerseys sourced from clubs, brands, and manufacturers worldwide. The company was founded by Arthur in October 2021 during the COVID pandemic, initially operating from his parents' bedroom before scaling through a first Antwerp office (November 2022), a dedicated warehouse (August 2023), a larger headquarters (May 2025), and its first physical retail pop-up in Antwerp (December 2025). Its product catalog spans a flagship Premium Soccer Jersey Mystery Box at $54.95, bundle offerings (2x, 3x, 10x), specialty variants (Retro, Training, Kids, Festival, European, Name & Number, Signed), and a recently added Premium Basketball Jersey Mystery Box; all products carry a 100-day money-back guarantee and a 100% authenticity promise with original labels.

The commerce stack is built on Shopify with Sendcloud for shipping orchestration, Google Analytics for traffic analysis, and a broad set of localized payment methods including PayPal, Apple Pay, Google Pay, Klarna, iDEAL, Bancontact, Shop Pay, and major card networks. A lightweight customization preference engine lets shoppers exclude specific clubs, competitions, or colors at checkout, with manual email outreach when a preference cannot be honored. A subscription tier delivers monthly Premium boxes at a 10% discount with a mandatory second month and free bonus boxes at months 6 and 12. Distribution is entirely DTC through the Shopify storefront and the Antwerp pop-up, with worldwide shipping from Belgium.

Mystershirt serves individual soccer fans, jersey collectors, parents buying for children, and budget-conscious sports fans across 100+ countries, supported by a hand-selected ambassador/affiliate program that pays 10% commissions and a Discord community for creators. Cumulative disclosed traction includes 300,000+ jerseys sold and 100,000+ customers served. The company is founder-owned, has no disclosed external funding, operates with 1–10 employees, and reports 4.3/5 average ratings across 1,000+ reviews on its flagship product and a Trustpilot profile with 900+ reviews.

Name

Mystershirt

Legal name

Mystershirt

Website

https://mystershirt.com

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

1–10 employees

Short description

Mystershirt is a Belgium-based direct-to-consumer e-commerce brand selling mystery boxes of authentic soccer jerseys worldwide via Shopify. It serves soccer fans, collectors, parents, and gift-buyers across 100+ countries and claims 300,000+ jerseys sold.

Ownership category

akta.pro rank

Product category

Sports Merchandise E-commerce

NAICS

Sporting Goods Retailers (45911)

SIC

Sporting & Athletic Goods, Nec (3949)

akta.pro primary industry

Sporting Goods & Outdoor Inventory-led Online Retailers (CRAFADAJ)

Keywords

• Mystery boxes
• Soccer jerseys
• Football merchandise
• Online sports retail
• Fan apparel

Headquarters

HQ city

Antwerpen

HQ country

Belgium

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel, Technology or R&D, Infrastructure

Revenue model

1. Mystery Box Product Sales: One-time purchase of mystery box products (Premium, Retro, Kids, Training, Festival, European, Signed, etc.) containing random authentic soccer jerseys. Revenue recognized at point of sale. Bulk discounts available for multi-box purchases.
2. Subscription Revenue: Recurring monthly deliveries of mystery boxes with 10% subscriber discount. Second month mandatory. Auto-renews at term end unless cancelled. Payment processed via stored payment details on Shopify.
3. Digital Gift Cards: Prepaid digital gift cards sold in denominations of €50, €100, €200, €500, and €1,000. No expiration. Redeemed against any product on the site.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Mystershirt is a Belgian direct-to-consumer e-commerce company that sells mystery boxes containing authentic soccer (football) jerseys from clubs worldwide. Customers can specify clubs, competitions, or colors to exclude from their mystery box, and boxes are priced at roughly half the retail cost of official jerseys. The product line includes premium, retro, training, kids, European, festival, name-and-number, signed, and bulk bundle variants, plus digital gift cards and a recurring monthly subscription option.

Product overview

Mystershirt is an e-commerce company selling mystery boxes containing authentic soccer (football) jerseys. The core product portfolio centers on mystery box offerings where customers receive random authentic jerseys from clubs worldwide, with the ability to exclude certain teams or leagues. The main product line includes the Premium Soccer Jersey Mystery Box (flagship), Premium Bundle Box (2 shirts), Premium Hattrick Bundle (3 shirts), Retro Football Shirt Mystery Box, Training Shirt Mystery Box, Kids Soccer Jersey Mystery Box, European Soccer Jersey Mystery Box, Festival Mystery Box, and Sharing Box (10 shirts). Specialty offerings include Signed Soccer Shirt Mystery Box and Premium Soccer Shirt with Name and Number Mystery Box. The company recently expanded into basketball with the Premium Basketball Jersey Mystery Box. All products come with 100% authenticity guarantee, labels included, 100-day money-back guarantee, and worldwide shipping. Founded in October 2021 in Belgium, the company has grown from a bedroom operation to operating from a large warehouse, with over 300,000 soccer jerseys sold.

Differentiator

Problem solved

Functional benefit

Products and services

• Premium Soccer Jersey Mystery Box

Quantifiable outcome

• 300,000+ soccer jerseys sold to date
• +2 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration13 records

Feature2 records

Partnerships

One partnership is on record.

• BeerschotflagshipStrategic or Co-development Partner · 1 July 2024In July 2024, after two years of growth, Mystershirt announced a shirt sponsorship with Beerschot — the club in the town where founder Arthur was raised and attended 20+ games. The announcement featured 3D visuals and was described as the first company and football club in Belgium and around to do such a sponsorship in this manner. The partnership was highlighted as a true dream come true for the founder.

Scale indicators10 records

Recent moves4 records

Expansion highlights6 records

Broad incumbents

• Kitbag: Long-running online retailer of football shirts and licensed merchandise from Premier League and European clubs. Broad incumbent with overlapping soccer jersey inventory and a longer operating history in the same category.
• Pro:Direct Sport: Established UK-based retailer of soccer boots, replica kits, and authentic jerseys from major European clubs. Broad incumbent offering overlap in soccer jerseys, particularly replica and current-season merchandise.
• GOAT: Authenticated sports and sneaker marketplace offering new and used athletic gear, including select soccer apparel. Broad incumbent in authenticated sports merchandise retail that could expand into the mystery box concept as a natural extension.
• Fanatics: Global leader in licensed sports merchandise and memorabilia, including soccer jerseys from top European clubs. Broad incumbent offering overlapping inventory but without the surprise/mystery mechanic — represents the dominant competitor Mystershirt positions against on authenticity and price.

Regional players

• Unisport: Scandinavia-focused retailer specializing in soccer boots, replica kits, and football merchandise. Regional player with strong soccer jersey focus that overlaps with Mystershirt's European customer base, particularly Nordic markets.

Direct peers

• Loot Crate: Subscription-based mystery box service delivering curated pop-culture and themed merchandise monthly. Closest peer to Mystershirt in mystery box mechanics, subscription model, and unboxing-driven GTM, although Loot Crate operates in entertainment rather than sports.
• Mystery Tackle Box: Subscription mystery box service delivering fishing tackle and gear monthly. Direct peer in sports-vertical mystery box mechanics, though serving anglers rather than soccer fans; useful benchmark for category-extension and retention.
• Classic Football Shirts: UK-based retailer specializing in authentic and replica football shirts, including retro and current-season jerseys from clubs worldwide. Closest direct peer to Mystershirt, sharing the soccer jersey retail focus, though operating via traditional e-commerce rather than mystery boxes.

Emerging players

• SportsMemorabilia.com: Specialty retailer of signed sports memorabilia including autographed jerseys, trading cards, and collectibles. Emerging player relevant to Mystershirt's Signed Soccer Shirt Mystery Box category, offering similar authentic memorabilia through a traditional retail model.

Others

• Loot Box / Mystery Box Subscription Services (category): Adjacent mystery box services (e.g., FabFitFun, Birchbox, BarkBox) that share the surprise-discovery GTM motion but operate in different verticals. Useful comparables for churn, retention, and LTV benchmarks as Mystershirt expands its subscription business.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/mystershirt

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mystershirt