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How Much Inventory Do You Need to Start a Sportswear Brand?

After a decade of research and meeting various sportswear brand founders — how much inventory do you need to start a sportswear brand? Everybody gave me different answers. And I heard the same story about a room filled with unsold items.

That’s because starting your brand is not only about buying inventory. But managing your cash flow, storage, and forecasting the unseen matters. Ordering too little gets you ready for stockouts. Ordering too much ties up your capital.

So, how to plan your first inventory? At the end, you will learn it with a practical, number-driven approach.

How Much Inventory Do You Need to Start a Sportswear Brand? The Mathematics of Your First Order

Before you can calculate a specific number, you need to divorce the concept of “inventory” from “product.” Inventory is a financial liability until it sells. Your starting number should follow two things: your Minimum Order Quantity (MOQ) and your initial sales forecast.

The MOQ Reality Check

Your chosen best manufacturer dictates the floor for your inventory. If a factory requires an MOQ of 500 units per SKU (color and size), your decision-making process is different than if they allow an MOQ of 50.

Standard
Standard Production MOQ
In sportswear, a common MOQ for custom-cut-and-sew is 200–500 units per design per colorway. This is the “sweet spot” for controlling costs.
High-End
High-End / Complex Fabrics
If you are using a specialized, high-tech performance fabric, the MOQ may jump to 1,000+ units because the mill must create a dedicated dye lot.
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The Demand-Driven “Safety Stock” Formula

Once you know the MOQ, you can calculate your working inventory. A smart starting formula is:

Inventory = (Forecasted Units Sold in 3 Months) + (Safety Stock)
Forecasted Units: Be honest. If you have no audience, your forecast for month one is zero. If you have 1,000 email subscribers, forecast a 5–10% conversion rate for your launch.
Safety Stock: This covers defects, lost shipments, and unexpected spikes. For a launch, a good rule of thumb is 15–20% of your forecast.

This formula prevents you from buying the “wholesale” volume of 500 units because the price per unit looks better. You are buying for sell-through, not for storage.

The “Average Unit Retail” Calculation

When buying sportswear apparel, the price of your uniforms correlates to how much inventory you can afford. A high-performance running jacket at $150 with a 50% margin has more inventory buffer than a graphic t-shirt at $25 with a 70% margin.

Here is how to translate price to volume:

Premium Performance Wear
$80 – $150
Running shorts, compression gear. Lower volume, higher quality. A launch order of 100–200 units per SKU is defensible. You can sell these to a niche audience with a high willingness to pay.
⚠ Risk: Lower risk of storage issues; higher risk of cash flow if they don’t move.
Basics / Streetwear
$45 – $80
Hoodies, sweatpants. Volume play. You need depth in sizes (S, M, L, XL, 2XL) and colors. Broader appeal requires more units to cover the full size run.
⚠ Risk: High risk of “dead stock” if you miscalculate size breaks. Must order more total units to cover size runs.

Breaking Down the “How Many” for Different Brand Types

Because “sportswear” covers everything from yoga leggings to soccer jerseys, the numbers fluctuate. Let’s look at three distinct scenarios.

Scenario A
The Niche Performance Brand
Product
Men’s running socks
SKU Count
3 styles × 3 colors × 5 sizes = 45 SKUs
Total Units
9,000 units (200/SKU)
The Reality: This is a high-volume play. To afford this, you need a wholesale strategy from day one, not direct-to-consumer. If you cannot sell to retailers, consider a “Pre-Order” model to secure cash before production.
Scenario B
The “Essential” Activewear Brand
Product
High-waisted leggings and sports bras
SKU Count
2 styles × 4 colors × 6 sizes = 48 SKUs
Total Units
4,800 units (100/SKU)
The Reality: This is a manageable first order for a mid-tier launch. However, the cash outlay might exceed $50,000 USD. That’s why many brands start with “drop-shipping” or “print-on-demand” for the first 6 months to test demand before committing to this volume.
Scenario C
The Streetwear / Lifestyle Brand
Product
Heavyweight cotton hoodies and joggers
SKU Count
1 hoodie × 2 colors × 5 sizes + 1 jogger × 2 colors × 5 sizes = 20 SKUs
Total Units
2,000 units (100/SKU)
The Reality: This is the most common starting point for new brands. It allows you to offer a full-size run without a massive cash outlay. With an MOQ of 100, you can order exactly what you need to test the market.

How to Determine the “Right” Size Run Breakdown?

One of the most common mistakes in sportswear inventory is ordering even quantities of every size. Men’s and women’s sizing does not distribute evenly.

Category XS S M L XL Rule of Thumb
Men’s Tops 10 units 20 units 30 units 30 units 10 units Largest volume in Medium and Large
Women’s Leggings 10 units 25 units 30 units 25 units 10 units Sizing skews toward the middle
⚠ Why This Matters: This is size curve analysis. If you order flat quantities, you will run out of M and L immediately while sitting on XS and XL inventory for months. This is exactly how you end up with “leftovers” that tie up your capital.

The “Slow Start” Strategy for Sportswear

If the numbers above feel daunting, you are not alone. The most profitable way to answer “how much inventory” is to start with less.

The Double-Down Strategy

Instead of ordering 500 units of a hoodie, order 100 units of a hoodie in one core color (Black). Sell through. Use the profits to order 100 units of the hoodie in Navy and 100 units of a jogger in Black.

Lean Inventory Method
This iterative approach reduces your risk to near zero. It also ensures that your next order depends on actual data, not guesswork. Every reorder is smarter than the last.
The Trade-Off
You lose the “bulk discount” pricing (which is negligible for small orders anyway) and you spend more on shipping per unit. But for a startup, cash preservation is more valuable than a 5% cost saving.

A Trusted Manufacturer for Your Startup

Finding a facility that understands the needs of a startup is the hardest part. The majority of manufacturers demand more than 500 units. This forces you into a cash trap before proving anything.

That’s where a supplier like FortStitch comes in. We specialize in bridging the gap between imagination and reality. With low MOQs and flexible terms, we allow startups to scale on their own terms. We offer transparent pricing and guidance to eliminate guesswork. With us, you can focus on building your brand.

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Navigate Production and Inventory Planning With Confidence

At Fort Stitch, we help brands navigate the complexities of production and inventory planning. Contact us today to discuss your specific product roadmap and get a tailored quote for your first manufacturing run.

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Conclusion

Starting your own sportswear brand is more than purchasing an inventory. You don’t need to fill up your warehouse on your first order. The right number of inventory is the one that seems realistic to sell out. If you are realistic and you can sell 80% of the goods in 90 days, you have found the right number. Remember to professionally calculate your numbers. You cannot unbuy dead stock.


FAQs

Q1. What is a good starting MOQ for a sportswear brand?

It depends on the product. For cut-and-sew garments like hoodies or leggings, a standard MOQ ranges from 100 to 200 units per colorway. For specialized technical fabrics, the MOQ can jump to 500–1,000 units. Always ask the factory for their “starter order” allowance.

Q2. Can I start a sportswear brand with no inventory?

Yes. You can use a “print-on-demand” (POD) model for basic designs or launch a “Pre-Order” campaign where you collect payment before production. This allows you to fund the production run using customer capital, reducing your financial risk entirely.

Q3. How much capital do I need for a 1,000-unit order?

For a budget of 1,000 units with a Cost of Goods Sold (COGS) of $15 per unit, your production cost is $15,000. You will also need to account for freight (approx $1,000–$2,000) and packaging ($500). You should have at least $18,000–$20,000 available to cover the full lifecycle of that order.

Q4. How do I calculate reorder points for sportswear?

A standard safety stock calculation for reorders is: (Average Daily Sales × Lead Time in Days) + Safety Stock. If you sell 5 units a day and your lead time is 60 days, you should reorder when you have roughly 300 units left (plus an extra 10–20% for buffer).

Q5. Should I stock all sizes from the start?

Yes, if you want to be taken seriously as a brand. Customers expect a size run. However, you can minimize risk by ordering fewer units of the “extreme” sizes (XS and XXL) and leaning heavier into the middle sizes (M and L) for your initial run.

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