Product Concept
Concept boards, range planning and initial styling.
What really happens at this stage
Product concept development is where market intelligence and trend direction are turned into a defined range architecture: how many styles, in which categories, at what price points, and with what commercial role each style plays. Merchandisers and designers work together to build a range plan that balances core, fashion and clearance items, ensuring the assortment has enough breadth to serve the customer without so many styles that production and buying become inefficient. Pricing architecture is set early, because target retail price constrains fabric cost, trim cost and construction complexity long before a single sketch is drawn.
Concept boards are produced for each style group, combining silhouette direction, fabric story and price point into a coherent narrative that sales and buying teams can react to before full development begins. Cross-functional review, typically involving design, merchandising, sourcing and sometimes key accounts, filters concepts down to a workable range size, rejecting ideas that are commercially unviable or that duplicate existing bestsellers without adding value. Decisions made at this stage, such as target costing and fabric family selection, directly determine how much flexibility remains for the design and technical teams later in the process.
How it is done
- 1Set the range architecture
Define number of styles per category and the split between core, fashion and clearance lines based on prior season performance.
- 2Set target price points
Assign a target retail and target cost price to each style group before design work starts, so fabric and construction choices stay within budget.
- 3Build initial concept boards
Combine trend direction, silhouette references and fabric ideas into a concept board per style group, typically 6-10 looks per board.
- 4Validate against capacity and sourcing
Check early with sourcing that target fabrics and construction methods are available within the planned factory base and lead time.
- 5Run cross-functional concept review
Present concept boards to merchandising, sourcing and key accounts for feedback before committing to full design development.
- 6Finalise the range plan and brief
Lock the approved concept list, style count and cost targets into a range plan document that becomes the brief for product design.
Key metrics (indicative targets)
| Metric | Working target | Why it matters |
|---|---|---|
| Range plan adherence | typically 85-90% of final range matches approved concept | large deviation signals weak concept discipline or late-stage scope creep |
| Target cost accuracy | typically within 5-8% of target cost at concept stage | poor early costing forces expensive redesign later to hit margin |
| Concept-to-development conversion rate | typically 50-70% of concepts proceed to design | too high suggests weak filtering, too low wastes concept effort |
| Core-to-fashion ratio adherence | as agreed in the range plan, typically reviewed quarterly | an imbalanced ratio increases markdown risk or under-serves repeat customers |
| Concept review cycle time | typically 2-3 weeks from board draft to sign-off | slow reviews compress the design and sampling calendar that follows |
Targets are indicative working ranges, not standard or legal limits.
Control points to check and sign off
- Confirm target cost and target retail price are documented for every style group before design starts
- Check the core, fashion and clearance split matches the agreed range strategy
- Verify sourcing has confirmed feasibility of proposed fabrics and constructions before concept sign-off
- Record which concepts were rejected and why, to avoid repeating the same evaluation next season
- Obtain formal sign-off from merchandising and design leadership before releasing the range plan
Common pitfalls and their consequences
- Setting target prices without checking fabric and trim cost reality, forcing late and costly redesign
- Approving too many concepts without filtering, overloading the design and sampling calendar
- Ignoring factory capability at concept stage, leading to sourcing rejecting styles after design is complete
- Letting the core-to-fashion ratio drift season over season without a documented decision to change it
- Failing to record rejected concepts, causing the same unviable idea to resurface and waste time again
Main activities
- Brief interpretation and range planning
- Concept, silhouette and colour development
- Digital sampling and virtual fit sign-off
Quality risks
- Ambiguous brief
Sustainability risks
- Material chosen too late
AI opportunities
- Generative concept boards
Official sources
Industry chapters that cover this stage
The GARMENT TECH Ed industry chapters whose lessons are applied here — each chapter has a reference page and a taught lesson you can read straight through.
- Chapter 3 · Product Concept & Fashion DesignDesign & DevelopmentRead the chapter lesson
- Chapter 30 · Circularity & RecyclingSustainability & CircularRead the chapter lesson
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