Cap Specifications: Every Part and Every Parameter of a Custom Cap

The button sits on top of the crown and the eyelets sit at the top of the panel seams. Both are small parts, and both are the kind of detail a buyer notices when the cap is in the hand rather than on a screen.

They are also the least expensive place to add a second colour to a cap. A button and set of eyelets can be matched to the crown for a quiet finish, or deliberately contrasted to pick up an accent from the logo.

Eyelets are functional as well as decorative: they are the vent holes at the top of the crown, so the thread or metal used there affects how much air the cap moves.

The closure is the most commercial of the cap parameters. It decides whether a single size covers your whole order or whether you have to commit to a size run before production, and it moves the unit cost more than most buyers expect.

Closed-back constructions — fitted, and to a lesser extent the elastic band — remove the adjuster but require you to forecast how many of each size you will sell. Open constructions cover a wide range of head sizes from one cap, which is why they dominate promotional and corporate orders.

The material matters too. A plastic snap is the least expensive adjustable option; leather and self-fabric straps cost more but are what a retail buyer expects to see on a cap sold at a higher price.

The sweatband touches the wearer's forehead and the taping covers the inside seams. Neither is visible from the outside of the cap, and both are what a retail buyer inspects when judging whether a cap is worth its price.

On a promotional order the inside is usually left plain. On a retail or private-label order the inside is part of the product, and printing the sweatband or the taping is one of the few places a brand can put a mark that only the wearer sees.

The sweatband also does structural work: it holds the front of the cap to the head, so a thin band on a structured crown can let the cap sit differently.

After the front crown, the visor is the largest visible surface on a cap. The options here are about how that surface is finished rather than about how a logo is applied to it.

A sandwich visor is the one that changes the price most, because the brim is built from more than one layer of fabric and the edge has to be assembled cleanly. It is also the option that most clearly signals a cap built to a specification rather than bought from a catalogue.

The underside of the brim is worth deciding deliberately. On a cap worn with the brim turned up — which is how a large share of the market wears them — the underside is the surface people actually see.

Labels and tags are the parts of a cap that carry brand information rather than decoration. They matter most on retail and private-label programs, where the inside of the cap and the packaging are treated as part of the product.

A woven label is the standard route. The choice between a classic weave and a high-density weave comes down to how much lettering the label has to hold: the denser weave resolves smaller text, so long brand names and legal lines stay readable.

Hang tags and stickers sit outside the cap and are usually specified together with the label so that the name, the size and the branding are consistent across the inside, the tag and the packaging.

A cap carries a logo in one of a small number of ways, and the method you choose decides the artwork rules, the durability and the cost. It is worth deciding the decoration route before the fabric, because the two constrain each other.

The routes below split into three families. Embroidery puts thread into the fabric and is the most durable. Patches are made separately and then attached, which is how fine detail and small text are carried. Printing puts ink or dye onto the surface, which is the only way to get full-colour artwork.

Send the logo file with the enquiry. We will tell you which of these routes the artwork actually suits — the answer is usually obvious from the file, and it is cheaper to establish it before sampling than after.

Fabric is the first parameter to fix, because it decides which decoration routes are available, how the cap ages and what it costs. Changing it later changes everything downstream, including the decoration method you have already agreed.

The list below is short on purpose. Most orders land on cotton, polyester or a blend, and the other options exist for a specific brief rather than as general alternatives.

Colour is the other half of the fabric decision. Colour cards are available before the order is placed, and the confirmed colour is recorded on the specification so a repeat order behaves the same way.