A women's graphene heated vest is a sleeveless, quilted garment with a printed heating layer laminated between the shell and the lining. It warms the collar, the front of the torso and the back across three heat levels, and it runs from a small USB power bank carried in a dedicated interior pocket. The shape is fitted rather than boxy, so it layers over a knit without adding bulk where you move most.
Nothing about that is complicated - but almost everything that decides whether the vest is comfortable in daily use sits in the specification rather than in the garment on the hanger. This page takes it apart layer by layer: what the heating layer actually is, where the warmth goes, what three heat levels really means, how the power side works, how to care for it, and - because in this category the vest is a platform rather than a fixed product - which options a buyer specifies.
Figure 1 — The vest, with the power bank and USB cable that travel with it.
Take a heated vest apart and you find four layers, not one:
The third layer is the one worth being precise about. In a finished garment, a "graphene heating layer" is a printed conductive film - graphene nanoplatelets or reduced graphene oxide dispersed in a polymer binder, applied to a substrate and then laminated. It is not a sheet of single-layer graphene, and a supplier who tells you otherwise is describing a laboratory material rather than something you can wear.
That distinction has two practical consequences:
The printable pattern visible in the construction detail - the honeycomb trace layout - exists to spread current evenly across the panel. It is a design element, not decoration, and it is one of the things that changes between configurations.
If you want the component-level comparison between printed films and metal-wire elements, we cover it in resistance wire vs graphene heating.
Figure 2 — Inside the seam: the honeycomb trace layout exists to spread current across the panel, not to decorate it.
Not every heated vest heats everywhere, and it should not try to. This layout places the heating layer across three zones:
Two things to understand about that layout.
It is a configuration, not a constant. Heating-zone placement is set per order, and it moves with the size range, the intended use and the power available. A layout shown on a product image should be read as a representation of a confirmed specification rather than a guarantee of it - which is exactly why a responsible product image carries the line heating layout follows final configuration.
Wide area beats hot spot. A small, intensely hot patch feels impressive for thirty seconds and then feels like a fault. A large area held at a moderate temperature is what people actually describe as comfortable. If you are specifying a heated garment, this is the trade-off to decide early: the same power budget spread over a larger panel gives a gentler, more even result than the same power concentrated into a small one.
Figure 3 — Three heated zones: collar, front torso and back. Layout is set per order, not fixed per product.
The vest runs three heat levels, so the setting can be matched to the weather rather than to the garment. That part is straightforward. The temperature figure that usually accompanies it is where this category gets sloppy - so it is worth knowing how to read one.
Two numbers get confused with each other, and they are not the same number.
A finished heated garment never presents the element directly to the body. There is a fill layer and a lining in between, and the layer stack - not the element alone - is what sets the surface temperature the wearer actually feels. An element figure can therefore be considerably higher than the surface figure, and a page that quotes one as though it were the other tells you something about how carefully it was written.
Why this page does not quote a temperature figure. A meaningful temperature claim is a property of the finished construction, and it needs a measurement behind it: the layer stack, the supply, the level, the ambient conditions and the method used. Without those attached, a number is decoration. Garments worn against the body are covered by the applicable safety standard, and the limits that standard sets are expressed in surface terms - which is another reason to state the right number, or none at all.
What to do instead, as a buyer. If your project needs a stated surface temperature, treat it as a design input rather than a specification you inherit. Send the target, and ask for it to be measured and reported on the finished sample. That gives you a figure you can put on a page and defend, instead of a headline number that has to be walked back later.
What three levels means in practice. The point of stepping the power is to let the wearer match the setting to conditions instead of living with one fixed output. Because the heat is spread across a large panel rather than concentrated into a spot, the sensation builds over a few minutes rather than arriving all at once - which is why comfort and a high peak temperature are not the same goal, and why a moderate output held across a wide area is usually the more comfortable design.
The power sequence is deliberately three steps:
Four details in that sequence matter more than they look.
The pocket is part of the design, not an accessory. A power bank carried loose in a normal pocket swings as you move, pulls on the cable, and eventually damages the connection where it enters the garment. A dedicated interior pocket holds the bank against the body and takes the load off the lead - one of those small structural decisions that shows up as reliability two seasons later.
Low voltage, with options. The vest runs on low-voltage DC, and the supply is specified with the order rather than fixed for the product. Low-voltage DC is the home range here - 3.7 V, 5 V, 12 V, 24 V and 36 V - so the element is sized to the power architecture the product already uses instead of the other way round.
Battery capacity is a project decision. Capacity is not a constant, because it is a trade-off between runtime, weight and cost, and only the buyer knows which of those three their customer cares about. It is set per project alongside the power bank spec.
The charging side is USB. The vest runs and charges from a USB power bank, so the connector and cable follow an established standard rather than a proprietary one - easier to source, easier to replace, and no locked-in adapter.
Low voltage changes the engineering, not just the safety story. For the same power, lower voltage means lower element resistance and higher current - and current is what sizes the conductor, the connector and the cable. A design that works at one supply voltage does not simply re-run at another, which is why the supply belongs in the specification conversation from the start.
One number we deliberately leave out of this section: a runtime figure. Runtime depends on the power bank specified, the capacity chosen and the heat level used, and a single number without those three attached would be meaningless.
Figure 4 — The interior pocket is structural: it holds the bank against the body and takes the load off the lead.
The sleeveless cut is the whole point of the format. A heated vest with sleeves has to fit under or over a jacket, and it adds bulk exactly where you move most. A sleeveless one goes over a knit and under a coat without restricting the shoulders or the elbows - which is why this shape works in the weeks where a coat is too much and a shirt is not enough.
Four construction details do most of the work:
| Detail | What it does |
| Diamond quilting | Holds the fill and the heating layer in place so neither shifts with wear |
| Stand collar | Keeps warmth at the neck and gives the garment a shape when worn open |
| Smooth full-length zip | Lets the vest be worn open or closed without distorting the front panel |
| Zip pockets | Secure storage, positioned where your hands naturally fall |
Figure 5 — Worn as a mid-layer. The sleeveless cut is what keeps it wearable under a coat.
On the cut. This is a women's fit, shaped at the waist rather than straight through the body. That is a deliberate decision rather than a styling one: a garment that follows the body keeps the heating layer closer to it, which is what the layer is for. It also means the vest reads as a piece of clothing worn over a sweater rather than a technical layer that escaped from a hiking kit - and in this category, whether people actually wear it is most of the battle.
For buyers, the sizing implication is worth stating: grade the range across a women's fit and check that the heating layout still performs at both ends of it. A layout that works on the middle size does not automatically work on the smallest or the largest.
Figure 6 — Construction details: diamond quilting, stand collar, full-length zip, zip pockets.
The care sequence is short, and the steps people skip are the ones that cause complaints:
We are deliberately not going to give you a wash instruction here, and the reason is not caution for its own sake. The wash behaviour of a heated garment is decided by how the heating layer and the electrical connections are sealed, and that is a property of the specific construction rather than of the category. Where a garment has not been tested to a wash protocol, the honest position is to say so and let the care label carry the instruction that matches the build - not to publish a general rule and hope it holds. If you are developing a heated garment for your own range and your market expects a washable claim, that claim has to be engineered and tested into the construction from the start; it is not something a label can fix afterwards.
This is where a heated vest stops being a product and becomes a platform. Six things are set per order:
1. Colour. Shown here in red, with black, navy and light grey in the standard range. Custom shades are available against a confirmed sample - colour is one of the most frequently customised items in this category, and it is worth settling it early because it drives the fabric order.
2. Size range. Graded to the market you sell into, and across a women's fit. This is not simply a matter of scaling numbers: the heating layout has to perform at both the smallest and the largest size in the range, and that is a design constraint rather than a labelling one.
3. Heating-zone layout. Which panels are heated, and how the print pattern is distributed across them.
4. Power source. Supply voltage and battery capacity, specified to match the element and the intended use.
5. Private label. Your own woven label, applied in production.
6. Packaging. Poly bag or box, to your specification.
What to send us for a quotation. A target market, a size range, a colourway, whether you want the standard layout or a custom one, and whether the power source is yours or supplied. With those five inputs we can respond with a sample plan rather than a price list - and if you want to know whether a layout is feasible before sampling, ask for the element resistance and the current at your supply voltage. Those two figures tell you more than any brochure.
If you are still choosing between suppliers, our 10-point supplier evaluation checklist sets out the questions that separate a real factory from a reseller. And if the material itself is new to you, start with what a far-infrared heating film is and how it works.
How hot does the graphene heated vest get?
The vest runs three heat levels. Rather than quote a headline figure, we would rather tell you which number to ask for: element temperature and surface temperature are different figures, and the surface is set by the layer stack and the supply rather than by the element alone. If your project needs a stated surface temperature, specify it and we will have it measured and reported on the finished sample - in many export markets that figure is a requirement rather than a marketing detail.
Does it get warm enough to feel through a sweater?
That depends on the heating layout, the layer stack and the power specified, not on the material alone. The design intent here is warmth spread across a large area, so the sensation builds over a few minutes rather than arriving instantly.
Is the power bank included?
The power source and accessories are specified with the order and follow the confirmed configuration. If you are buying for resale, decide early whether you are supplying the bank yourself or having one specified for you - it affects the connector, the pocket and the packaging.
Can I wear it under a coat?
That is the intended use. A sleeveless cut adds warmth at the core without adding bulk at the shoulders and elbows, which is what makes it work as a mid-layer rather than an outer layer.
Can I wash it?
Follow the care label on the garment. Heated garments differ in how the heating layer and the electrical connections are sealed, so the correct instruction is the one written for your specific construction rather than a general rule - and where a garment has not been tested to a wash protocol, we would rather say so than publish one we cannot stand behind.
Is a heated vest a medical device?
No. It is a garment that provides warmth. It is not intended to diagnose, treat or cure any condition, and it should not be marketed as though it were - which is worth stating plainly, because a lot of product copy in this category drifts across that line.
What is the minimum order quantity?
MOQ moves with garment complexity, size range, and whether the layout is standard or custom. Ask us with your specification and we will answer in writing for your part, rather than quoting a number that would not apply to it.
SHEERFOND (Dongguan Sheerfond New Material Co., Ltd.) manufactures far-infrared heating materials and the finished heated products built around them, from a production base in Dongguan, Guangdong.
Two things we will not do: claim a certification we cannot evidence with a certificate that names the product, and quote a technical parameter we have not measured.
Request a free sample or send your drawing
The most useful thing you can send is a target: the market, the size range, the colourway, and whether you need the standard or a custom heating layout. With those, we can tell you what the sample would look like, how the heating zones would be arranged and what the power source needs to be - before you commit to a production order.
Osoba kontaktowa: Masum Billah
Tel: +8616620605160
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