Partner factories hold OEKO-TEX® Standard 100 and BSCI · Sourcing partner in the underwear trade since 2009 [email protected] WhatsApp +86 186 5081 3853
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Xiamen Unitex Trade Co., Ltd. is a professional underwear sourcing & supply-chain management company based in Xiamen, Fujian Province, in the Xiamen–Quanzhou–Jinjiang knitwear cluster of south-east China. Founded by Will Lin, who has worked in the apparel trade since 2004, the company has been exporting since 2009 and was incorporated in Xiamen in 2013. It runs its own liaison office in Jinjiang and works with a network of BSCI & OEKO-TEX Standard 100 certified partner factories to serve retailers and brands across Europe, the US and Australia.

How do you distinguish between good and bad underwear? Do you think the more expensive the better? In fact, underwear is not the more expensive the better. There are many key points that determine the quality of your underwear, such as the fabric, material, workmanship, and function of the underwear. The quality of these key things determines the quality of the underwear good or bad.

1. Underwear Fabric

It is close to the human skin, so the choice of fabric is particularly important, especially for sensitive skin or skin with diseases. If the underwear fabric is not selected properly, it may cause harm to the human body.

Fabrics are woven from yarns, and yarns are made of fibers. Therefore, the characteristics of the fabric are closely related to the fibers that make up the fabric. Generally speaking, fibers are divided into two types: natural fibers and chemical fibers. Natural fibers include cotton, hemp, silk, wool, etc., and chemical fibers include recycled fibers and synthetic fibers. Regenerated fibers include viscose fiber, cupper ammonia fiber, acetate fiber, etc.; synthetic fibers include polyester, acrylic fiber, nylon fiber, etc.

High-end brand-name underwear often uses functional fabrics, such as modal, bamboo fiber, superfine fiber, full lace, and fabrics containing Lycra, which have many characteristics such as moisture absorption and perspiration, good air permeability, high color, light and comfortable, smooth and non-marking. Generally speaking, underwear with functional fabrics is more expensive.

2. The Material of Underwear

Underwear made of natural materials such as mulberry silk is the best. Taking the inner lining of underwear as an example, high-end underwear is generally made of breathable cotton, silk cotton and other materials, which are soft and close-fitting, have good air permeability, are durable, and are not prone to breakage; mid-range underwear Ordinary sponges are used for the inner lining, and some low-grade underwear even use poor-quality sponges, which contain harmful odors. Obvious cracks may appear after wearing shortly or after several washes, destroying the overall effect of the underwear.

People dress not only for appearance, but more importantly, for health. It is unwise to blindly pursue fashionable and beautiful underwear without paying attention to health.

The lace is rough, the material is poor, and it fades easily. As for shoulder straps, high-end products mostly use high-elastic materials, while low-end underwear use ordinary elastic or cloth straps as shoulder straps, which will constrict the body and cause discomfort.

The quality of the material is generally proportional to the price of underwear. Women’s underwear with high prices is often more durable, does not shrink, and is not easy to deform. Therefore, the difference in the choice of materials will also cause differences in the price of underwear.

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3. The Workmanship of Underwear

Whether the workmanship is fine or not is the obvious difference between high-priced underwear and low-priced underwear. At first glance, underwear of different prices seems to have little difference, but if you compare an underwear that costs a few dollars with an underwear that costs tens of dollars, you will clearly see that the stitches and seams of the high-priced underwear are much more delicate and delicate, while cheap underwear is mostly rough, and there may even be threads and cracks.

4. The Function of Underwear

The functions of underwear and the effect that can be achieved are also a criterion for dividing its price levels.

The shape of mid-to-high-end women’s underwear is generally better. They are often different styles designed by special companies according to different breast shapes of women, such as underwear with side pushers, which can make women with looser breasts concentrate and tower after wearing them, which has a good visual effect; Underwear has the function of supporting the chest; and the functions of adjustment and body shaping are difficult to find in low-grade or cheap underwear.

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In terms of aesthetics, high-end underwear often pays attention to the aesthetic vision of underwear, such as the popular tulle embroidered underwear, which makes the underwear have a three-dimensional effect, and the elegant and beautiful women’s underwear gives people a visual enjoyment. This kind of technical content has also increased the price of underwear, resulting in a huge price gap in underwear. Cheap underwear is lacking in beauty, even vulgar.

According to the above introduction, we have summarized four points for you to pay attention to when choosing underwear:

Take a look: whether there is deviation between the left and right cups of the underwear, whether the cloth pattern is symmetrical; whether the front and rear buckles are smooth to avoid scratching the skin.

Second touch: The underwear fabric should be able to absorb sweat without generating static electricity; the lining material should be pure cotton, and the workmanship should be fine and smooth.

Three pulls: Underwear shoulder straps and side wings have strong elasticity and good softness, and should be able to expand and contract freely with the movement of the body.

Four tests: The adjustment position of the shoulder straps of the underwear should fall on the shoulder socket, so that it is comfortable and can maintain the elasticity of the underwear; the curvature of the side of the underwear should match the curvature of the side of the body; the lace should be soft without itching.

Underwear is the longest “companion” that accompanies women. Choosing an good, well-fitting underwear is the best for you and your body.

· Xiamen Unitex Trade Co., Ltd. — OEM & ODM underwear sourcing partner

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Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.
Supplier Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — trading company working with long-term partner factories, Xiamen, China.
Point 1 Fabric — fibre, blend ratio and weight in g/m²
Point 2 Material of construction — waistband, thread and trims
Point 3 Workmanship — seam type and stitch density at the stress points
Point 4 Function — what the garment is for, which decides the trade-offs
Fabric rule The specification is the blend and weight, not the fibre name
Construction rule The waistband is the most visible quality variable
Workmanship rule Check at the leg opening and waistband, not across the garment
Function rule Support, drying speed and hand-feel trade off against each other
Common error Comparing on one point rather than all four
Verification Worn and washed sample across the size run

Buyer checklist

  • Specify the fibre, blend ratio and weight in g/m².
  • Check the waistband construction and its recovery rather than the elastic percentage.
  • Confirm the seam type and density at the stress points.
  • Name the function of the garment before choosing the trade-offs.
  • Check the fit at both ends of the size run.
  • Ask for the wash test on the actual construction.
  • Compare two suppliers on all four points rather than on one.
  • Check the trims are listed and tested.
  • Confirm the care instruction against the construction.
  • Approve on a worn and washed production sample.

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.)

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.

Sources & references

  1. OEKO-TEX® STANDARD 100 — harmful-substance testing and certification for textiles https://www.oeko-tex.com/en/our-standards/oeko-tex-standard-100
  2. ICAC — International Cotton Advisory Committee https://icac.org/
  3. ASTM — textile standards and test methods https://www.astm.org/
  4. OEKO-TEX® Label Check — verify a certificate number at the issuing body https://www.oeko-tex.com/en/label-check/
  5. ISO 3758:2023 — Textiles: care labelling code using symbols https://www.iso.org/standard/74401.html
  6. ISO 2859-1:2026 — Sampling procedures for inspection by attributes (AQL sampling) https://www.iso.org/standard/2859-1
  7. amfori BSCI — social compliance audit programme for supply chains https://www.amfori.org/amfori-bsci
  8. ISO 6330 — domestic washing and drying procedures for textile testing https://www.iso.org/standard/75934.html

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.

Buyer Questions

MOQ, lead times, certification and trading terms

On four points: the fabric with its blend and weight, the material of construction including the waistband, the workmanship at the stress points, and the function the garment is designed for. Judging on one of the four is what makes two quotations appear comparable when they are not. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Because it is the most visible quality variable and the first component to lose recovery. It is also the item most often left to the supplier default, which is how two quotations built on different assumptions end up looking comparable on price. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

As fibre, blend ratio and weight in g/m² rather than a fibre name. "Cotton" is not a specification, and neither is "combed cotton" alone — the figures behind the name are what makes a comparison meaningful. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

It sets the trade-offs. Support, drying speed and hand-feel move against each other, so the garment has to be specified for what it is for — a leisure range and a sports range cannot share one construction and both perform as intended. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

At the points that carry stress: the leg opening, the waistband and any high-friction seam. Those are the points that fail first and where complaints concentrate, which is why the check belongs there rather than across the garment generally. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Comparing on one point. Two suppliers can quote the same fabric and differ entirely on waistband recovery or stitch density, which is why the comparison needs to run across all four before a price means anything. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).