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Reorder Points for Core Apparel Styles

Your core black tee should never sell out by accident. Set the trigger per size and let the numbers tell you when to buy.

Core Styles Are a Different Business

Drops are planned to sell out. Core styles are planned never to. The tee, hoodie or short you sell every week needs a replenishment rule, not a hunch, and in apparel that rule has to work at the size level.

    What a reorder point needs:

  • Sales per size

    How many of each size you sell in a normal week, not the style total.
  • Real lead time

    Production, freight and receiving, added together from the day you place the order to the day units can ship.
  • Safety stock

    A buffer for the weeks that sell more than average and the shipments that arrive late.
  • A review rhythm

    A set day each week to check on-hand against the trigger.

The Formula, in Plain Terms

A reorder point is the stock level at which you place the next order, so the new units arrive before you run out. The common form is simple:

  • Reorder point = (average weekly sales × lead time in weeks) + safety stock

Do it per size. A style that sells mostly in medium and large will run out of those sizes first, and a style-level number will tell you everything is fine until the medium is gone.

A Worked Example

One core hoodie in black, with an eight-week lead time from order to sellable stock.

SizeAverage weekly sales (units)Lead time (weeks)Safety stock (units)Reorder point (units)
S10820100
M30860300
L28856280
XL14828140
XXL48840

Here safety stock is set at two weeks of sales for each size. When on-hand medium drops to 300 units, the medium goes on the next production order. The XXL trigger is low because it sells slowly, which also keeps you from over-buying the size most likely to become dead stock.

Use your own numbers. The example shows the method, not a recommendation for your catalog.

Lead Time Is Longer Than the Factory Quote

Brands often use the production time and forget the rest. Count every step:

  1. Production at the factory.
  2. Freight, including time at the port if the goods are imported. OC3PL is twenty-five miles from the Los Angeles and Long Beach ports.
  3. Delivery to the warehouse with an advance shipping notice.
  4. Receiving. At OC3PL, labeled inbound is checked against your ASN, every SKU is photographed, and stock is slotted and ready to ship within one business day.

If any step is unreliable, add it to safety stock rather than hoping. See receiving apparel from overseas factories for what slows the last two steps down.

Running Replenishment With a 3PL

A reorder point only works if the on-hand number is right. When an order ships, the warehouse system deducts the units and the integration pushes the new level back to your store. Discrepancies at receiving are flagged in your portal rather than quietly absorbed into the count.

Tell your account manager about every inbound replenishment with an ASN, and warn them when a restock is unusually large so space and labor are ready. They are on site, so the conversation is with the person who will see the cartons arrive.

Review the triggers each season. A style that moved from core to fading needs a lower reorder point, or none.

Core, Seasonal and Drop Styles Need Different Rules

Not every style deserves a reorder point. Sort the catalog into three groups and treat each one differently.

TypeReorder ruleReview
Core (sells every week)Reorder point per size, with safety stockMonthly, and after any big promotion
Seasonal (sells in a window)One planned buy, maybe one in-season restockAt the start and middle of the season
Drop (planned to sell out)No reorder point; restock only by decisionAfter the drop, using sales by size

Styles move between groups. A drop that keeps selling out may deserve to become core. A core style that slows down should lose its reorder point before it builds dead stock.

The mistake to avoid is a reorder point that never gets reviewed. Demand changes with the season, with marketing, and with what else is in the catalog. A trigger set in spring can overbuy by fall. Put the review on the same weekly rhythm as your inventory report, and change the numbers whenever the pattern changes.

What OC3PL Contributes

The warehouse half of replenishment.

  • Accurate on-hand by size

    Every style is slotted by size and color, so a picker reaching for a medium in black is not digging through a bin of mixed sizes. A new collection is slotted and ready to ship within one business day of receipt.

  • Fast receiving

    Labeled inbound is received, photographed and slotted within one business day.

  • Inventory pushed to your store

    When an order ships, the units are deducted and the new level is pushed back to your store.

  • Weekly reporting

    Service levels, shipping costs and inventory status from your account manager every week.

Common Questions

Per size: average weekly sales multiplied by lead time in weeks, plus safety stock. When on-hand for that size falls to the reorder point, place the next order.

Enough to cover the gap between an average week and a strong week, plus any unreliability in production or freight. Many brands start with a set number of weeks of sales per size and adjust after a season.

The full time from placing the order to units being sellable: production, freight, port time, delivery and receiving. Labeled inbound at OC3PL is received and slotted within one business day.

Only styles you intend to keep in stock. Drop styles are planned to sell out and are usually not reordered.

Inbound is matched to your ASN with photos of every SKU, every pick is scanned, and inventory levels are pushed back to your store as orders ship.

At least monthly for core styles, and right after any promotion, collab or season change that shifted demand.

That is what safety stock covers. If the same supplier is late often, add the extra time to your lead time rather than relying on the buffer.

Related Reading

More detail, in OC3PL’s own guides.

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