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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.

Women’s underwear (referring to the three-point type) and bikini swimwear cover the same body area, but many women can wear bikini swimwear generously in the public to play in the sea, bask in the sun, and show off their figure, but underwear that it is different. Even though the area is the same, most women will not reveal their underwear in front of others, and even when they see the underwear under the skirt, they will yell at hooligans… This is very puzzling. Let’s analyze it together!

 

The difference between women’s underwear and bikini swimwear is mainly in the following aspects:

 

1. Look at the difference between underwear and bikini swimwear from the perspective of the social attributes of clothes:

Underwear refers to clothing worn next to the body. As the name suggests, its properties are closer to the most primitive properties of clothes, which are private properties. Do you think private things can be seen casually? It includes vests, undershirts, high quality boxer shorts, tube tops, bras, etc., usually in direct contact with the skin, and is one of the indispensable clothing for modern people. Maybe you will say that there is no underwear show? Why can those women’s underwear be seen? Let me tell you, this kind of underwear is a minority. The attributes of this kind of underwear have changed, and they are public attributes in specific occasions. Underwear has the functions of absorbing sweat, correcting shape, lining the body, keeping warm and protecting from the pollution of the body, and is sometimes regarded as a sexual characteristic.

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Bikinis generally refer to swimsuits worn by women when swimming, that is, bikini swimsuits, also known as “three-point swimsuits”. Swimwear can be said to be the most visually impactful clothing in the history of clothing. The bra and briefs with ties behind the back are no less than the atomic bomb explosion. It wasn’t until the 1950s that this style of clothing, which embodies the sense of body sculpture, was accepted. Swimwear refers to clothes worn when swimming, and swimming pools, rivers, seas, etc. are generally public places, and its social attributes are public attributes. Of course, you can read them. Today, it is synonymous with soft and natural body curves.

2. Different functions

Bikinis should be suitable for underwater sports, which requires swimsuits to be waterproof, elastic, and have less resistance to water during underwater sports. In order to achieve this, swimsuits are designed to be very tight. The main function of underwear is to protect women’s breasts, play a role in supporting and shaping, and the production process is relatively complicated. At the same time, it is comfortable to wear and not too tight, so it is skin-friendly, breathable, and has good moisture absorption, keeping the skin dry at any time.

3. Different materials

In terms of materials: 80% of the bikini swimwear fabric is nylon and 20% is spandex. The more spandex, the better the elasticity and the greater the drainage coefficient. Lining 90% polyester 10% spandex. At the same time, the fabric of underwear with 85% nylon and 15% spandex. The fabric is not as good as bikini swimwear. Because the spandex content is less, the elasticity is poorer. But the lining of underwear is more cotton. This is better than the lining of a swimsuit. Because the briefs and bras are worn inside for a long time, need to be more breathable.

 

4. The appearance is different

Bikinis are worn outside, and the design pays more attention to visual effects. The material is relatively thick, the appearance is fashionable, and there are many styles and patterns. While underwear is worn inside, the material is lighter and thinner, mainly in solid colors, and there are not as many styles as swimsuits.

 

In addition, women’s underwear is seen on the body without preparation, and swimsuits are actually prepared in the heart.

 

This has to start from the heart of a person. To put it bluntly, it is actually a very simple truth, that is, you can only watch what I want to show you, and you can’t watch what I don’t want to show you. Generally speaking, when wearing underwear, a woman’s mind is to cover her private parts, and she has no intention of showing them, so of course she doesn’t want to be seen at this time, because she doesn’t want to be seen from the bottom of her heart. It is natural to feel ashamed when you look at your heart. It’s different when wearing a swimsuit, because she also knows that she will be going to a public place, so she is naturally well prepared in her heart, and even some women are extremely confident about their figure at this time, just waiting for others to praise her.

Therefore, bikini swimwear cannot be worn as underwear, and underwear cannot be worn as bikini swimwear. Bikinis are generally only worn when swimming in summer, and underwear is worn all year round. Bikinis cannot replace underwear because bikinis do not have the breathability and moisture absorption of underwear. Similarly, underwear cannot replace bikinis because underwear does not have bikini Excellent water resistance, and pure cotton underwear will become translucent after absorbing water, which is easy to cause embarrassing scenes.

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· 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.
Difference 1 Construction — silhouette and coverage rather than styling
Difference 2 Function — what the garment is for rather than what it looks like
Difference 3 Material — fibre, blend ratio and weight in g/m²
Difference 4 Finish — seam type, edge treatment and labelling
Comparison basis The same three figures: coverage, rise and leg opening
Common error Comparing on appearance rather than on measurement
Common error Treating a style name as a specification
Sourcing implication Each silhouette is a separate pattern and a separate minimum
Verification Measured on the finished garment across the size run
Buyer action Compare like with like before comparing prices

Buyer checklist

  • Compare styles on coverage, rise and leg opening rather than on appearance.
  • Specify each silhouette by measurement rather than by name.
  • Confirm the function the garment is designed for.
  • Check the fabric as fibre, blend ratio and weight in g/m².
  • Confirm the seam type and edge treatment.
  • Check the labelling content for the destination market.
  • Confirm each silhouette uses its own pattern.
  • Measure the finished garment across the size run.
  • Compare quotations on the same measurements.
  • Keep the approved sample with the order file.

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. ISO 3758:2023 — Textiles: care labelling code using symbols https://www.iso.org/standard/74401.html
  3. US FTC — Clothing and Textiles: labelling and advertising guidance https://www.ftc.gov/business-guidance/industry/clothing-and-textiles
  4. ASTM — textile standards and test methods https://www.astm.org/
  5. OEKO-TEX® Label Check — verify a certificate number at the issuing body https://www.oeko-tex.com/en/label-check/
  6. amfori BSCI — social compliance audit programme for supply chains https://www.amfori.org/amfori-bsci
  7. ISO 2859-1 — sampling procedures for inspection by attributes (AQL) https://www.iso.org/standard/2859-1
  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

Three measurable figures rather than the styling: coverage, rise and leg opening. The style names are not standardised between suppliers, so describing a garment by those three figures is what makes it comparable between quotations. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Because the same name describes different garments at different suppliers. A cheeky and a high-cut bikini can be the same product, and a midi and a full brief often are — so the name communicates an intention rather than a specification. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Sometimes, but less than the construction does. The same fabric can be cut into several silhouettes, so the difference in price between them usually follows the coverage rather than the cloth. Where the material does differ is in the lining, which is often a separate fibre. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Comparing on appearance. Two garments that look similar in a photograph can differ in coverage by enough to change the fabric consumption per piece, which is why the measurements belong in the comparison rather than the image. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Through the seam type, the edge treatment and the labelling. A bonded edge and a stitched edge are different constructions with different care requirements, and the difference shows after washing rather than on the sample. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Silhouette by silhouette, on the same measurements, with the fabric and lining specified. A range average hides the fact that one supplier is competitive on the simple silhouettes and expensive on the complicated ones. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).