The Role of Support Materials Relative to Garment Design, Quality & Production
Harshani Wijendra
Sri Lanka Institute of Textile & Apparel Technology (SLITA)
Email: [email protected]
Introduction
Support materials contribute an aesthetics and/or performance of garment components, shell fabrics and other materials. The common types of support materials are Interlinings, Linings, Adhesives, Tapes, Shoulder Pads, Sleeve Headers and Collar Stays. Each of these plays a distinct role. Interlinings add body and stiffness, linings improve comfort and cover internal construction, while tapes and stays prevent stretching at stress points. However those things provide foundations for Shape, Structure and Appearance of the Garments. These materials offer Stability, Reinforce points of stress, Increase retention of original appearance during wear and care and/or enclose garment interiors.
Role of Support Materials in Product Development
Decisions made during Product development determine how the designed shape of the Garment will be supported and/or enclosed. Support materials must be compatible with shell fabrics and other materials in the garment if an acceptable appearance and appropriate performance are to be maintained over extended periods of use and care. Compatibility here goes beyond visual matching. It means aligning shrinkage rates, weight, fiber content, and care requirements. A shell fabric rated for dry cleaning only should never be paired with an interlining designed for machine washing, as the two will behave differently during care and cause visible distortion over time. This is why support material selection must happen at the sampling stage, not as an afterthought during bulk production.
What Happens When Support Materials Fail
Inadequate and inappropriate support materials become apparent after a period of display, wear, or cleaning when the original shape or appearance of the garment cannot be recovered.
Collar Distortion
As an example that illustrates the difficulties a wearer will be facing due to the malfunctioning of a Support material. You may have noticed that the collar of your shirt looks swollen after a couple of washes. Can you imagine the reason for this? Actually this is due to the wrong selection of the support material. There is an interlining material inside the collar to make it stiffer. However if the shrinkage properties of the collar fabric and the interlining are different, then they shrink to different degrees resulting in seam puckering that will lead to a “Swollen” collar.
Delamination
Another widely seen failure is delamination, where a fusible interlining peels away from the shell fabric after washing. This typically occurs when the bonding temperature, pressure, or dwell time during fusing was not correctly set, or when the interlining resin is incompatible with the shell fabric’s fiber content. Both of these failures, collar distortion and delamination, are entirely preventable through proper material testing before bulk production begins.
The Cost of Omitting Support Materials
As a cost cutting alternative, support materials are sometimes omitted even though they may improve the performance of finished garments. The inclusion or non-inclusion of support materials is dependent on the requirement of the Buyer. The cost of returns that can be attributed to faulty support materials or improper applications is a cost often greater than the cost of the defective product. A 2023 report by McKinsey and Company found that product quality and durability have become the top purchasing priorities for apparel consumers globally, which means a garment that loses its shape after a few washes does not just generate a return, it loses a customer permanently. Dissatisfied customers are often lost customers. These days consumers are more knowledgeable about the quality of the product they purchase.
Impact on Garment Quality and Production
When we are talking about the quality of the Garment it’s the most important part of garment manufacturing. Problems occur because of poor selection of materials, improper methods of assembly, equipment that does not perform correctly and lack of quality control or testing procedures. In practice, technicians should always run wash tests and dry-clean tests on fused samples before bulk production begins. Checking for shrinkage differential, bond strength, and any color change after conditioning gives early warning of problems that would otherwise only surface in finished garments, at which point the cost of correction is significantly higher. So proper selection, application and use of support materials influence the Aesthetics, Quality, Performance and Cost of Finished garments.
How to Select the Right Support Material
Selecting the right support material requires evaluating several factors together rather than any single property in isolation.
a) Weight and Drape
The support material should be close in weight to the shell fabric. A heavy interlining on a lightweight chiffon will stiffen the garment unnaturally, while a too-light interlining on a structured suiting fabric will fail to hold the intended shape.
b) Shrinkage Compatibility
Both the shell fabric and the support material must shrink at the same rate during washing or dry cleaning. Even a 1 to 2 percent difference in shrinkage can cause puckering or distortion after the first care cycle.
c) Fiber and Care Compatibility
The interlining must be able to withstand the same care process as the shell fabric. Always cross-reference the care instructions on the support material’s technical datasheet with those of the shell fabric before confirming a selection.
d) Fusing Conditions
For fusible interlinings, the supplier’s recommended fusing temperature, pressure, and dwell time must be followed precisely. Deviating from these, even slightly, is one of the leading causes of delamination in finished garments.
Conclusion
Support materials are invisible to the end customer but central to whether a garment holds its shape, feels right, and survives repeated wear and care. Getting the selection right at the development stage is always cheaper than fixing failures after bulk production. Test early, test thoroughly, and treat support material compatibility as non-negotiable.
Frequently Asked Questions (FAQs)
Q1. What are support materials in garment manufacturing?
Support materials are internal components like interlinings, linings, tapes, shoulder pads, and collar stays used inside a garment. They give the garment its shape, structure, and stability. Without them, most garments would lose their intended form after the first few wears.
Q2. Why does my shirt collar look swollen after washing?
This happens when the collar fabric and the interlining inside it have different shrinkage rates. They shrink by different amounts during washing, causing the collar to pucker and bulge. Choosing an interlining with a shrinkage rate that matches the shell fabric prevents this completely.
Q3. What is the difference between lining and interlining?
Lining is a visible inner fabric layer that covers the inside of a garment for comfort and a clean finish. Interlining sits between the shell fabric and the lining, completely hidden, and its only job is to add stiffness and body to specific areas like collars, cuffs, and plackets.
Q4. How do I choose the right interlining for a fabric?
Match the interlining to the shell fabric based on weight, shrinkage rate, fiber content, and care requirements. Always test a fused sample through a wash or dry-clean cycle before bulk production. The interlining supplier’s technical datasheet will also specify which fabric types the product is designed for.
Q5. What causes interlining to bubble or peel off after washing?
This is called delamination and it is almost always caused by incorrect fusing conditions during production, meaning the temperature, pressure, or bonding time was off. It can also happen when the interlining resin is not compatible with the shell fabric. Testing fused samples before bulk production is the simplest way to catch this early.
Q6. Is it okay to skip support materials to cut garment cost?
Skipping support materials saves a small amount upfront but usually costs more in the long run. Garments without proper support lose their shape faster, generate more customer returns, and damage brand reputation. The cost of handling returns and losing repeat customers typically outweighs the savings made during production.
You may also like:
- Interlining in Garments – Complete Know How
- Different Types of Buttons Used in Garments
- Consumption Calculation of Fabric, Garment Trimmings and Accessories
- Calculate Yarn Consumption and Costing for Fully Fashioned Knitwear
- Different Types of Garments Accessories with Pictures
- Different Types of Trims Used in Garments
- Fabric Sourcing: Key Task for Garment Merchandiser
- Proven Sourcing Strategy for Trims and Accessories
- Types of Zippers and Methods of Application
Founder & Editor of Textile Learner. He is a Textile Consultant, Blogger & Entrepreneur. Mr. Kiron is working as a textile consultant in several local and international companies. He is also a contributor of Wikipedia.
