Box baffle down jackets, your specification
Made to your tech pack, fabric and colours by a factory matched to the order.
Private label
Your main label, care label, hangtag and polybag. Nominated trims accepted.
A box baffle down jacket separates its chambers with fabric walls sewn between shell and lining, instead of stitching the two layers together. No stitch line passes through, so there is no thin, cold seam and the down can rise to its full height. A box baffle down jacket manufacturer in Bangladesh needs more cloth, more sewing time and usually higher fill power to make it, so the build is chosen for outdoor, mountain and expedition ranges where warmth per gram sells the jacket.
Garments Hub BD sends a box baffle enquiry to two factories on its bench, both quoting the same wall height, fill power and fill weight. A lower price then shows up as either a real saving or a thinner specification, and you can see which before a sample is cut.
Kinds of box baffle down jacket
Vertical box wall
Walls stand straight between shell and lining, forming rectangular chambers. The standard box build, warm and even across the body.
Slant wall
Walls set at an angle so neighbouring chambers overlap, closing the last gaps at the wall edges. Kept for the warmest expedition pieces.
Hybrid box and sewn through
Box chambers in the body where warmth matters, sewn through channels in sleeves and hood for movement and cost. A common outdoor compromise.
Offset double quilted
Two sewn through layers with their stitch lines staggered, so no line passes through both. Warm, simpler to sew than walls, but heavier.
Specifying for a box baffle down jacket manufacturer in Bangladesh
- Wall height
- The height of the baffle walls, typically 2 to 4 cm on a jacket and taller on expedition parkas. Taller walls hold more loft and need more fill to stay full.
- Wall fabric
- A light nylon or a mesh. Mesh lets a little down move between chambers; a solid fabric keeps every chamber sealed.
- Chamber width
- Spacing between walls. Narrow chambers hold down in place on steep panels, at the cost of more walls, weight and sewing.
- Fill power
- Box baffles reward high fill power, typically 700 to 850, because the walls let it loft completely.
- Fill per chamber
- Grams per chamber, so each fills to the same loft. Overfilling a chamber adds cost without adding warmth.
- Where the walls go
- Body only, or body, sleeves and hood. Draw it on the tech pack, since it drives most of the price.
Tests for box baffle down jackets
- IDFB testing regulations
- Fill power and down to feather ratio. A box baffle jacket is bought on loft, so the tested fill power is what carries the claim.
- ISO 13935
- Seam strength where each wall joins shell and lining. A failed wall seam lets down collapse into the next chamber and leaves a cold band.
- ISO 13936
- Seam slippage on the light shell beside the wall seams, where fine yarns can pull apart under the pressure of a full chamber.
What moves the price of a box baffle down jacket
- Wall fabric and the extra seams, since every wall adds two lines of sewing.
- The higher fill power down usually chosen for this build.
- Taller walls, which need more fill grams to reach full loft.
- Walls throughout, against a hybrid with sewn through sleeves and hood.
- Slower filling, because each closed chamber is blown full on its own.
Lead time for box baffle down jackets
Box baffle builds take longer to sample, because the walls have to be patterned and the fill per chamber settled; expect the upper end of 7 to 14 days per round. Bulk for a walled jacket runs 30 to 60 days after PP approval, often towards the top of that range given the sewing. High fill power down may need booking early, which the quote notes.
What we check on box baffle down jackets before shipment
- Wall heightWalls measured on a cut sample against the spec, and checked for twisting where they join shell and lining.
- Cold spotsEvery chamber felt by hand along its walls for thin or empty areas.
- Chamber fillDown weighed chamber by chamber from a cut sample, so loft is even across the body.
- Wall seamsWall seams straight and closed, with no open stitches through which down could migrate between chambers.
Questions buyers ask about box baffle down jackets
When is a box baffle worth the extra cost?
When the jacket is sold on warmth for cold, still conditions: mountain, expedition and winter camping. For city wear, or active use in milder cold, a sewn through jacket is lighter, cheaper and warm enough.
What wall height should we specify?
Typically 2 to 4 cm on a jacket; expedition parkas go taller. Lower walls suit a trimmer outdoor jacket; taller walls suit an expedition piece. Fill weight has to rise with wall height, or the chambers sit half empty.
Can only part of the jacket be box baffled?
Yes. Many outdoor ranges box baffle the body and sew through the sleeves and hood. That keeps the core warm, saves cost and gives the arms more movement.
Do box baffles need higher fill power?
Not by rule, but they make the most of it, since high fill power down lofts fully in a walled chamber. With lower fill power, a sewn through jacket carrying more grams can be just as warm and cheaper to make.
Get a quote for box baffle down jackets
Tech pack or sketch with quantities per colour. A compared quote in 48 hours.
