Workwear Reorder Point Planning Checklist

Workwear Reorder Point Planning Basics

In custom workwear, a reorder point is the inventory level that tells procurement when to release the next purchase order so replacement garments arrive before available stock is exhausted. The core formula is reorder point = demand during lead time + safety stock. If a site issues 40 trousers per week and total replenishment lead time is 10 weeks, demand during lead time is 400 trousers. If safety stock is 120 trousers, the reorder point is 520 trousers. When available stock falls to 520, the next order should already be released. That formula is only the baseline. Uniform programs also involve size breaks, new starters, damaged garments, seasonal layers, decoration lead time, fabric reservations, carton rules, and minimum order quantities. Buyers building the sourcing calendar should align reorder assumptions with our MOQ and sample process guide, because approval timing, production slots, and repeat-order logic must match before replenishment begins.

Start With Demand You Can Defend

The cleanest reorder point starts with average daily or weekly usage, not the last purchase quantity. A prior order may include launch stock, a site expansion, or a correction after a previous shortage. For workwear, usage should include issued garments, approved replacements, planned new-starter kits, predictable seasonal handouts, and role changes. Separate routine consumption from special events before setting the baseline. A practical demand file distinguishes core issue rate, replacement rate, confirmed hiring plans, regional seasonality, and site-level allocation rules. It also separates returns caused by fit errors from true demand. If a shirt is returned because the wrong size was issued, that return should improve the size curve; it should not automatically inflate the reorder point for the next cycle. For multi-site programs, calculate both the central warehouse trigger and the local site minimum, because aggregate stock can hide shortages in high-use locations.

Compare the Planning Inputs

Planning Element	Specific Value or Range	What It Means	Control Point
Reorder point formula	Average weekly demand x total lead-time weeks + safety stock	Uses issue velocity and replenishment timing rather than last order quantity	Review by SKU, high-use size, and site
Lead time basis	PO release to usable stock date	Includes confirmation, production, QC, packing, freight, customs where applicable, receipt, and allocation	Do not count port arrival as usable inventory
Fabric reference	Poly-cotton work trousers often use about 240-300 gsm fabric; heavier jackets may use about 280-350 gsm outer fabric depending on design	GSM affects durability, heat retention, drying time, and carton weight	Confirm fabric on the approved tech pack
Decoration allowance	Embroidery, heat transfer, patches, or reflective application may add queue and approval time	Artwork approval, placement checks, stitch-out or transfer testing can delay release	Freeze approved placement through logo and branding specifications
MOQ logic	No universal MOQ; values depend on fabric, color, trim, size mix, and factory setup	MOQ is a production constraint, not a stocking target	Round reorder quantities to the agreed MOQ, carton pack, and size curve
Visibility standards	ISO 20471 and ANSI/ISEA 107 classify high-visibility garments by background material, retroreflective material, design, and intended use	Changing color, tape width, or placement can affect compliance	Keep specified designs consistent with the approved configuration

Define Lead Time to Usable Stock

Lead time should be measured from the moment the buyer releases a usable purchase order to the moment garments are available for issue. For OEM workwear, that can include PO confirmation, fabric or trim reservation, cutting, sewing, in-line inspection, final inspection, decoration, packing, export booking, transit, import clearance, warehouse receipt, and site allocation. If the product has not been approved yet, sampling and fit approval belong in a separate development timeline, not the replenishment lead time. Decoration is often the hidden delay. Embroidery may require thread approval and stitch-density checks. Heat transfers may require temperature, dwell time, pressure, and wash-performance validation. Reflective tape must follow the garment specification. If a garment is specified to ISO 20471 or ANSI/ISEA 107, the visible area, material, and placement requirements should remain consistent with the approved design before any substitution is accepted. For production context, see our OEM workwear manufacturing overview.

Set Safety Stock by Risk

Safety stock is the buffer that absorbs forecast error and lead-time variation. A blanket percentage on every item is easy to administer but rarely precise. Critical garments need more protection than optional items. Remote sites need more buffer than sites near the central warehouse. Sizes with uneven demand need different handling from sizes that move steadily every month. Rank SKUs by operational criticality: required for work, required for compliance, preferred for brand consistency, or optional. Then rank supply risk: custom fabric, special trim, imported component, long decoration queue, or standard stocked material. Finally, rank demand volatility: stable replacement, seasonal spike, hiring-driven surge, or unpredictable loss. Assign safety stock bands from those inputs and review them quarterly against actual shortages and excess. A buyer should also decide where the buffer sits. Central stock improves control and purchasing visibility; local stock improves response time when a site cannot wait for redistribution.

Respect MOQ Without Overbuying

Minimum order quantity is a production constraint. A factory may need a minimum cutting quantity to control fabric yield, shade consistency, trim purchasing, and line efficiency. The buyer still decides how that MOQ is split across sizes, sites, and delivery windows. When reorder points trigger too late, procurement may be forced into inefficient size mixes, split shipments, or expedited freight. When they trigger too early, the warehouse fills with slow sizes. The practical answer is to connect each reorder point to an approved reorder quantity. For example, a trouser may trigger at 520 units, while the standard reorder quantity is higher because it must satisfy the agreed MOQ, carton plan, and size curve. Larger programs can use a rolling forecast to help the OEM reserve fabric and trims before the formal PO, reducing schedule risk without locking every size too early. Procurement should also track lifecycle status. Active items can replenish normally; run-out items need controlled depletion; replacement-pending items need a transition plan so old and new garments do not compete for the same demand signal.

Build Size Curves and Seasonal Calendars

Total inventory hides the most expensive shortages. A site may appear healthy because aggregate stock is above the reorder point, while the most common sizes are already below minimum. For garments issued to named employees, size availability is not optional. A missing size can delay onboarding, create inconsistent appearance, or push managers to approve substitute garments that do not match the program. Use historical issue data to create a size curve by garment type, gender fit, region, and job role where possible. New programs can start with a cautious launch curve, then correct it after the first two or three issue cycles. Core workwear items, such as trousers, shirts, polos, coveralls, and everyday jackets, usually need continuous replenishment. Seasonal items, such as insulated parkas, rain sets, summer-weight shirts, or cold-storage layers, need a calendar trigger as much as a stock trigger. For range planning, review workwear categories by industry and identify which garments are operational essentials before setting seasonal order dates.

Keep the Review Process Scannable

Reorder planning fails when the data model is loose. Each SKU should have a consistent item code, garment description, color, size, fit block where relevant, fabric specification including GSM where specified, decoration method, site allocation rule, standard lead time, safety stock, reorder point, MOQ, standard reorder quantity, and lifecycle status. Track usable stock, not just stock on purchase order. Quarantined, returned, damaged, and already allocated garments should be separated from available inventory. High-volume core items may need weekly review; stable items may need monthly review; seasonal items need checkpoints before the demand period begins. The review should answer five procurement questions: which SKUs are below trigger, which are projected to fall below trigger before the next review, which POs are late, which sizes are imbalanced, and which obsolete items need a run-out decision. Exception rules should also be set before shortages occur, including who can approve air freight, substitute sizes, partial shipments, or temporary undecorated issue.

1. Confirm active SKUs and remove obsolete items from reorder eligibility.
2. Calculate demand during total replenishment lead time for each core SKU.
3. Set safety stock by criticality, supply risk, and demand volatility.
4. Review high-usage sizes separately from total stock.
5. Align reorder quantities with MOQ, carton plans, and approved size curves.
6. Set calendar triggers for seasonal garments before the demand period.
7. Track usable inventory after receipt, inspection, allocation, and quarantine decisions.
8. Review reorder points after launches, hiring changes, site openings, and style updates.