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Fabrics & Materials

Sweat Check: Are Your Undies Up to Keeping You Dry

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.

Sweating is a totally normal bodily function that also happens to be totally embarrassing to live with. From the damp spots on your clothing to the unpleasant odor that’s never far behind, those of us who sweat heavily may feel like we can never stray too far from a shower.

Crotch sweat is the worst offender. Left unchecked, it can cause painful chafing or even infections on your most sensitive bits. So let’s get to the real talk: are your undies qualified to handle what you throw at them? Find out where your skivvies stand by checking these crucial factors:

Breathability

Saunas are nice, but you wouldn’t want to live in one. If your underwear doesn’t let your skin breathe, it becomes its own kind of microclimate that gets hot and stays hot until it’s time to undress. The qualities that make breathable fabric come down to the style of knitting or weave used to craft it, and the material the fabric is made from.

Tommy John is committed to crafting undergarments that never suffocate your nether regions. Our cool cotton material enhances the natural breathability of Pima cotton by adding a little extra stretch and silky smoothness. We use nano technology in both the initial fabric knitting stage and during the finishing stage to create a soft, breathable pair of underwear that keeps you 2-3X cooler and dries 4-5X faster than standard cotton. For an even lighter and softer fabric that maximizes breathability, our Air Mesh collection wears like you’re wearing nothing at all.

Moisture Wicking

Unless you want your underwear to feel like a swamp, it should be crafted from moisture-wicking material. This special kind of fabric pulls sweat away from your skin to the other side of the garment, where it can evaporate. Traditional cotton does have some moisture-wicking ability, but it is also capable of absorbing quite a bit of water, which can lead to soggy drawers if you’re sweating throughout the day.

Of course, not all labeled as moisture wicking boxer briefs are created equal. Our cool cotton collection takes cotton’s moisture wicking properties to the next level so you can stay dry and clean 24/7. Or, if you’re dealing with truly abundant sweat, consider slipping into our 360 Sport collection.

Antimicrobial & Odor Resistant Fabrics

When your crotch stays hot and damp, you’re practically inviting bacteria and fungus to a housewarming party. Antimicrobial fabrics can help ward off microbes by either killing them or slowing down their ability to reproduce. This can help you keep your nether regions clean and tidy, as well as help your underwear last longer.

Odor-resistant fabrics prevent bacteria from reacting with your sweat. This reduces smells and ensures germs are washed out of your undergarments during the laundry cycle. If your skivvies aren’t able to fend off odors or microbes, then you either need to shower more often or upgrade to something that can handle your sweat!

Tommy John’s Air Mesh and 360 Sports Collections are both equipped with antimicrobial and odor-resistant features to keep you fresh until it’s bath time again. The 360 Sport fabric is designed to stretch in every direction, making it ideal for your most active days. And our Air Mesh undies are lighter than air for maximum breathability – perfect for days when you’re cooped up in a plane or a cubicle.

Coverage & Support

If you’re quick to work up a sweat, the style of underwear you choose can have a big impact on your comfort levels. While it may seem counterintuitive, going for more coverage with a cut like boxer briefs can help protect your skin and your clothes once the sweat starts flowing, and the right fabric can actually help keep you cooler in the long run. Because water absorbs heat, moisture wicking fabrics are actively working to pull away excessive warmth from your body, and as the water evaporates it’s like a miniature air conditioner in your pants.

Of course, the fabric can only go so far as to keep you dry, and you may need to take extra measures. Enter the hammock pouch – a cozy, safe hideaway that can lift and separate your package off of your legs. The extra space can keep things from overheating, prevent chafing and “batwing,” and reduce turbulence on your sensitive bits if you’re running or bouncing upstairs.

Stay Ahead of Sweat With Tommy John

Sweat is crucial for maintaining the right body temperature – but that doesn’t mean we want to sit in it all day. Tommy John has crafted a variety of sweat-fighting undies to meet you where you need to be for the day, whether you’re hitting the gym, stuck inside, or anything in between. We’re confident you’ll love Unitex undies, but if you don’t think they’re up to snuff, you won’t have to pay for the first pair thanks to our risk-free guarantee.

· 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.
Factor 1 Breathability — the knit structure decides airflow as much as the fibre does
Factor 2 Moisture handling — tested on the construction rather than assumed
Factor 3 Weight in g/m² — a lighter weight dries faster and a heavier one holds warmth
Factor 4 Seam construction at the friction points, where a garment is worn all day
Factor 5 Coverage and support, which are coverage figures rather than fibre choices
Odour control Addressed through the knit and any finish, and tied to a test
Claim requirement A test method named alongside any performance property
Cotton note Holds moisture once saturated, which is why it is usually blended in active ranges
Common error Reading a fibre name as a performance specification
Buyer action Name the condition and the activity, then specify the construction

Buyer checklist

  • Name the activity and the climate before choosing the construction.
  • Check the knit structure, which decides airflow as much as the fibre.
  • Confirm the moisture behaviour on the actual construction.
  • Specify the weight in g/m² against the climate.
  • Check the seam construction at the friction points.
  • Confirm the coverage and support figures rather than the fibre name.
  • Tie any odour claim to a named test method.
  • Ask for a test result on the finished construction.
  • Confirm the care instruction against the construction.
  • Approve on a washed and worn 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. US FTC — Clothing and Textiles: labelling and advertising guidance https://www.ftc.gov/business-guidance/industry/clothing-and-textiles
  7. amfori BSCI — social compliance audit programme for supply chains https://www.amfori.org/amfori-bsci
  8. ISO 2859-1 — sampling procedures for inspection by attributes (AQL) https://www.iso.org/standard/2859-1

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

The knit structure and the weight as much as the fibre. An open knit moves air more freely than a dense one at the same fibre content, which is why the construction is what gets specified rather than the fibre name alone. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

By testing it on the construction rather than assuming it from the fibre. Two garments can both be described as moisture-wicking and behave differently, because the knit, the weight and the finishing differ. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Less well than an open technical knit, because it holds moisture once saturated. That is why cotton appears in blends in this range rather than as the whole fabric, and why the weight and structure matter alongside the fibre. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

By tying it to a named test method and a result on the finished construction. Odour control comes from the knit and any finish rather than from the fibre, and a claim without a method behind it cannot be compared or defended. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

They are coverage and construction figures rather than fibre choices. Rise, leg opening and the waistband construction decide them, which is why those are specified rather than left to a style name. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

On a washed and worn sample. Moisture behaviour, airflow and seam comfort all appear in movement and after laundering rather than on a flat new sample. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).