Double Breasted Blazer Office Dress
Buyers arrive with a reference photo and a target price. The two numbers that decide whether that price is reachable are the cloth weight and how many seams run through the front panel. We see this style in two versions. One is built to hit a price, the other to keep its shape for three seasons. They differ by about fifteen percent in cost and by a great deal in what comes back. It helps to separate what the customer sees from what the factory feels. The outside is wool blend or ponte, the inside is structure, and the two have to agree on the same sample. Nothing in this style is hard to sew. It is hard to sew consistently, which is a different problem and a more expensive one.
Lining is not a detail. A 65 to 75 gsm taffeta slides over the cloth; a cheap lining grabs it and the garment climbs when the wearer walks. Ask for weight in gsm and composition as percentages, not trade names. Trade names do not travel well between mills. Keep one dye lot for bulk. Splitting a thousand pieces across two lots is how a reorder ends up with a visible line between sizes. Stretch is the quiet variable. Two percent elastane changes the grade rule, the seam type, and how the hem behaves after ten washes.
How it is built
Most of the handwork sits in a handful of steps, and each one has a right order. Shoulder pads go in before the lining, and the sleeve head is eased rather than pleated. That is the difference between a clean shoulder and a dent. The lining is joined at the armhole by hand or with a clean machine finish. A bagged lining that pulls is a return waiting to happen. The vent, where there is one, is taped and pressed so it stays closed in the bag and opens when the wearer walks.
Check the double breasted after pressing, not before. Light cloth relaxes under steam and what looked balanced on the table can shift. The double breasted is where the eye lands first, so it is also where a two-millimetre error shows. Set it from the pattern, not from the sample.
On this style the difference between a good and a poor fit is usually two centimetres at the waist seam, not a redesign. Tolerances belong on the sheet: plus or minus one centimetre on the body, half a centimetre on the front panel. Get the fit model measurements in the same units as the spec. Mixed units are the most common cause of a rejected first sample.
Spec sheet, line by line
| Shell | a mid-weight wool blend or a firm ponte, swatch-approved, one dye lot for bulk |
| Body | blazer dress |
| Length | confirmed on the wearer, in her shoes |
| Colourway | buyer colourway, lab-dipped under two lights |
| Lining | unlined with faced seams |
| Closure | invisible centre-back zip |
| Size run | XS-2XL plus a curve block |
| Sample lead time | 15-20 days with handwork |
| MOQ | 150 pcs per style |
What to check before bulk
- Lining cut to the same length as the shell, so the dress climbs when worn.
- Front panel fused too hot, so the cloth shines and the lapel edge shows a ridge.
- A cheap hem shows: three centimetres with a clean catch-stitch reads expensive, one centimetre overlocked reads fast fashion.
- Pressing decides the finish. A needle mark on a light cloth stays after QC, whatever the inspector does.
Packing flat or on hangers changes the crease pattern. Decide before the cartons are ordered. Keep one sealed bulk sample per colour. Six months later it is the only honest reference for a reorder. Measure ten pieces per size from the first bulk run. If the spread is wider than the tolerance, the cutting and not the sewing is the problem.
Customisation that does not break the price
- Vent, back seam, or plain back.
- Sleeve length: full, three-quarter, or sleeveless with a faced armhole.
- Shoulder: soft pad, structured pad, or none with a clean finish.
- Lining to match or contrast. Contrast adds a visible detail at the cuff.
- Sizing: a four-size test run, a standard eight-size run, or a graded run to your own sheet.
- Packing: flat-fold with tissue, hanger-ready, or a sealed bag per piece.
The pre-production sample has to be cut from the bulk lot, with the bulk trims, on the machine settings bulk will use. The proto is usually made in stock cloth. Do not judge the hand from it; judge the line. Keep the approved pre-production sample sealed. It is the reference for the in-line check and for the reorder.
A sample order of fifty to a hundred pieces is enough to test the pattern, the cloth and the trims before a season is committed. Send the tech pack as a PDF with a measurement table, not as a photo with notes in a chat. Photos carry intent, tables carry production.
If you are developing this style, send us a tech pack, a photo or a reference garment and we will quote within 24 hours. Contact bafinasa@bafinasa.com or WhatsApp +86 13827222469.
