How to Write a Polo Shirt Tech Pack a Factory Will Love

The investment case is arithmetic: a complete pack takes a day to write and saves, on a typical polo style, one to two full sampling rounds at a week or more each, plus the courier fees and the meeting time spent diagnosing guesses. Factories love a complete pack for the same reason buyers should: it converts opinion into instruction, and instruction is what production lines run on.

A polo shirt looks simple enough to brief in a sentence, and that sentence is where most polo sampling rounds go to die. “Classic polo, navy, logo on the chest” leaves the factory to guess the collar depth, the placket, the buttons, the vents, the fit, and a dozen other numbers, and factories guess toward their standard, not toward your picture. A tech pack exists to remove the guessing. This guide lists what a complete polo tech pack contains, section by section, in the order a factory reads it.

We sample and manufacture polo shirts from tech packs in Bangladesh for buyers in the USA, UK, Europe, Canada, Australia and the Middle East, built around our Classic Pique Polo Shirt construction. The details below are the ones our sampling room asks for when they are missing.

Page One: Style Summary and Reference Images

Colourway and size-range matrices belong on this page too: which colours run in which sizes, whether any colourway changes trims (white polos with navy tipping, say), and the expected quantity split if it is known. Factories plan collar knitting and dyeing from these matrices, and a colourway discovered at fabric stage costs the calendar more than any other single omission.

The first page identifies the style: style name or number, season, garment type, fabric headline, colourways, size range, and the fit intent in one line (classic corporate, slim modern, relaxed). Reference images follow: clear front, back and side views of the intended garment, which can be photographs of a market sample, a previous production garment, or honest sketches, each annotated with the features to copy and, just as usefully, the features not to copy. Factories sample from images constantly; the pack’s job is to make sure the numbers overrule the images wherever the two disagree.

Fabric and Trims Specification

Colour standards deserve their own sentence: a Pantone number alone is a starting point, because the same number dyes differently on pique than on the smooth swatch the number came from. Serious packs attach a physical fabric standard (a lab dip or a cut from approved production) per colourway and state the lighting for shade approval. Collar, cuff and body must be approved as one shade family under that light, since the three components are often dyed in different lots and meet for the first time at the sewing table.

Name the fabric the way a mill orders it: fibre composition, knit type (pique and which variant), weight in GSM with its tolerance, yarn character (combed, for corporate work), colour references per colourway (Pantone TPX or physical standards), and any finishes (anti-pilling, moisture management, pre-shrink). Trims get the same treatment: collar type (flat-knit to shape, rib or self-fabric) with tipping or striping drawn and measured; cuff depth; buttons by material, size in lignes, colour and attachment; thread colours matched per component; labels (main, size, care) with artwork and placement; and any twill tape, side vent tape or embroidery specified by position file rather than by hope.

The Measurement Chart: Every Point, Every Size

A single point done properly shows the standard: “Chest: 104 cm (size M), measured flat 2.5 cm below armhole, garment doubled from the flat measure, tolerance plus/minus 1 cm, after wash.” Every clause in that line has prevented an argument somewhere: the flat position, the measuring point, the doubling convention, the tolerance, the washed state. Multiply that care by the fifteen or so points a polo chart carries and the chart becomes what it should be, a document two strangers on different continents can measure the same garment from and agree.

The chart is the pack’s contract. For a polo it should carry at minimum: chest (measured flat across, doubled in the notes if that is your convention), front length from high point shoulder, back length if a tennis tail applies (with the tail difference stated), sleeve length, sleeve opening, shoulder width, collar length per size, collar depth, placket length and width, cuff depth, and hem width, each with a tolerance (plus/minus 1 cm on chest and length is a common corporate standard). State the measuring method where ambiguity lives: chest measured 2.5 cm below the armhole, length from the highest shoulder point, collar measured buttoned. A chart without methods invites every factory to measure the same garment differently and both sides to be right.

Construction Details: Collar, Placket, Vents, Hems

Stitch density and seam allowances sit in this section as numbers, not habits: stitches per centimetre on visible topstitching, the seam allowance on side seams, the bartack positions at vent tops and placket base. A factory’s standard is a reasonable default for most of these, which is exactly why the pack should say “factory standard accepted” where that is true: it tells the sampling room where to spend its questions, on the lines that differ.

Construction notes translate the design into sewing instructions. For the collar: knitted to shape, its attachment method, whether a collar stand or interlining is used, and the expected finished behaviour (sits flat, holds a roll). For the placket: depth, button count and spacing, reinforcement type at the base, whether the placket is fused, and the stitch type along its edge. Seams: stitch types and densities for shoulder (taped), armhole, side seams and hems; side vents yes or no, their depth and tape; hem type (twin-needle coverstitch) and depth; sleeve finish (rib cuff depth or hemmed). Each line removes a decision from the sewing floor, which is where unmade decisions become inconsistencies across sizes and operators.

Artwork and Logo Placement in a Polo Tech Pack

Thread brand and range belong here as firmly as colours: a “red” stitched in a different thread family arrives as a different red after washing, and archived programs keep the exact thread references so a reorder three years later matches the original issue garment for garment.

Decoration gets its own page: the artwork file reference and its version, the finished size of each design, the position measured from fixed landmarks (for a chest logo: distance from placket edge and from shoulder seam, per size or with the grading rule stated), thread colours by chart reference, stitch notes (satin borders, fill areas), and backing type for the fabric. Names and personalisation rules, if any, live here too, including the font and size and how lists will be supplied. Our MOQ and production page explains how placement files travel with the production order once sampling approves them. A logo described as “small, left chest” will be sampled at someone else’s taste; coordinates end the discussion.

Grading, Tolerances and Points of Measure

Children’s and women’s versions of the same style need their own charts rather than scaled-down men’s numbers: the grade steps differ, the collar proportion differs, and the placket treatment differs, and a factory handed one chart for three blocks will average them into garments that fit none of the wearers properly.

Grading rules state how each measurement steps between sizes, chest and length steps, and the collar’s own grading, since a collar that does not grade makes large sizes look borrowed. Tolerances per measurement point close the section: they are the boundary between accept and dispute at inspection, and they should be realistic (knits move; a 0.3 cm tolerance on chest is a dispute generator, not a standard). Include the inspection measurement method for the two or three points your program cares most about, usually chest, length and collar.

Polo Shirt Tech Pack Mistakes Factories See

Five recur often enough to name, and naming them is cheaper than meeting them at the fit sample stage, where each one costs a week. Measurements copied from a retail size chart (body measurements) instead of garment measurements, which doubles every number’s meaning problem. Tolerance columns left blank, converting inspection into negotiation. Artwork supplied as a low-resolution image with “logo here” as the placement spec. Trims described by brand names the factory cannot source (“buttons like Brand X”) instead of by material, size and colour. And the silent pack: a competent document sent once and never revised, while emails change the collar, the colour and the logo across three threads, so the factory must decide which instruction outranks the pack. The rule that fixes the fifth, and helps the rest, is simple: the pack is the single source of truth, every change lands in it with a new revision number, and emails merely point at the revision.

One more deserves honesty: packs written for a different garment. A t-shirt tech pack with “polo” substituted leaves out precisely the pages this guide spent longest on, collar knitting, placket engineering, cuff construction, because tees do not have them. Start from a polo template, or from the sections above.

Labels, Packing and the Approval Trail

Packing detail saves money quietly: ratio packing by size inside cartons matches how uniform programs issue garments, solid-size cartons match warehouse picking, and the wrong guess costs repacking at destination. Barcode and carton-mark data in the pack, rather than in a later email, keeps the shipment documents and the physical cartons in agreement.

The last pages cover what happens after sewing: label positions and folds, hangtag and barcode data if retail, folding method, polybag spec, units per carton and ratio or solid packing, carton marking. Then the approval trail: sample types expected (proto, fit, PP, shipment), who approves what, and the revision table where every change is logged with a date. Packs evolve; the revision table is what stops last season’s collar from shipping in this season’s order. When the pack is ready, it comes to us through the contact page with the quantity and target date attached, and sampling starts from the document rather than from a conversation.

Frequently Asked Questions