A customer came to us with a reference for an orthopedic ankle wrap and asked whether knitted or woven elastic would be the better construction. They needed 75 mm, 90 mm, and 100 mm widths, with firm support, controlled stretch, and soft edges.
The requirements sounded fairly clear, but one important part was still open: what did “controlled stretch” actually need to feel like in the finished wrap? Until that was clear, choosing the construction from the reference alone would have been guessing.
The customer came to us with a reference ankle wrap that looked like it used a plain knitted elastic. Their first question was simple: should they stay with knitted elastic, or would woven work better?
They already had quite a clear idea of the product they wanted. The elastic needed to come in 75 mm, 90 mm, and 100 mm widths, with firm support, controlled stretch, and soft edges. They wanted it supplied in rolls for their own assembly, sewing was fine, and hook-and-loop tabs would be added later.
The problem was, we could look at the reference and get a good idea of how the elastic was constructed, but we couldn’t tell how it actually felt when stretched around the ankle.
And that was the part we didn’t want to guess.
Knitted elastic can be made with very different levels of stretch and support. The same is true for woven elastic. So simply copying what the reference looked like wouldn’t necessarily give the customer the support they were expecting.
Before we picked woven or knitted, we needed to get one thing clearer: what did “firm support with controlled stretch” actually mean for this ankle wrap?
We see descriptions like “firm support,” “controlled stretch,” or “not too stretchy” quite often in elastic projects. They tell us what the customer is trying to achieve, but they don’t yet tell us what the finished elastic should actually feel like.
That was the case here. The customer knew the ankle wrap should feel supportive rather than loose, but there was no target stretch ratio or approved elastic for us to match. So even if we identified the reference as knitted, we would still be guessing at the part that mattered most to the finished wrap.
For us, that meant the next question wasn’t really woven or knitted. We first needed something we could use to judge whether the stretch and support were moving in the right direction.
We didn’t need the customer to turn that into factory terminology. If they already had an elastic they liked, we could work from that. If not, comparing it against existing samples was enough to get started. Feedback as simple as “this stretches too easily,” “this feels close,” or “I need more support than this” gives us much more to work with than a general description like “controlled stretch.”
That also meant we didn’t need to make a new custom elastic just to answer the first question. We already had several constructions close enough to use as references, so the customer could compare something real before we started changing widths or developing a new construction.
The samples we pulled weren’t meant to give the customer three options and ask them to pick one. They were there to help us see which parts of the performance were already close and which parts still needed to change.
We had a 70 mm wide, 1.3 mm thick polyester elastic and a 70 mm wide, 2.0 mm thick polyester-and-spandex elastic. Neither matched the final 75 mm, 90 mm, or 100 mm widths, but final width wasn’t the decision we needed to solve yet.
We also had a more breathable elastic construction already used for waist and ankle support products. That gave us another useful reference if the customer wanted more ventilation and a softer feel against the body.
With these samples, the feedback could stay simple. If the stretch felt close but the support was too light, we would know not to change everything at once. We could keep the stretch direction and work on more resistance. If the support felt right but the webbing felt too bulky, thickness and construction would become the next things to adjust.
That is the real value of using an existing sample at this stage. It doesn’t have to be the final webbing. It has to tell us what to keep and what to change next.
So the fact that our samples were 70 mm wide wasn’t a problem. Once the customer had a performance direction they were comfortable with, we could carry that into the required 75 mm, 90 mm, and 100 mm widths instead of developing all three sizes from a vague description.
The customer ultimately needed 75 mm, 90 mm, and 100 mm elastic, but we didn’t recommend starting with three new custom developments.
We already had 70 mm samples close enough to help confirm the stretch and support direction first. So rather than making new webbing simply to match the requested widths, we suggested using those existing samples as the next reference point.
At this stage, the project had not moved into bulk production, and the final woven-or-knitted construction was not yet locked in. The next step was simply to find which existing elastic was closest to what the customer wanted, then develop from there.
That meant we weren’t asking the customer to make a construction decision they didn’t have enough information to make yet — and we weren’t making three custom widths before we knew what performance they should deliver.
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