Will LasryFounder, Glass Factory · 1.5M+ Online | Vogue 100 Innovators

Sewing Premium Sweatbands In Portugal

16 Mar 2026 · 1 min

Watch on YouTube

0:39

In this segment of the YouTube video, the narrator explains three key quality features of premium hat sweatbands made in Portugal. First, the use of an internal foam layer provides padding that makes the hat more comfortable compared to typical sweatbands that lack foam. Second, the sweatband is constructed from two separate fabric pieces—a top layer and a bottom layer—creating a clean, well‑defined seam. Finally, the narrator highlights the difficulty of attaching the sweatband to the brim, where the margin for stitching is extremely narrow; the manufacturer follows a strict “1 mm rule” to ensure the stitching is precise and reliable. The overall tone is instructional and appreciative, emphasizing craftsmanship and attention to detail.

Chapters

A lot of sweatbands do not use foam. It's very nice to see foam inside the sweatband. What it does is it creates padding on the inside of the hat, which makes it a lot more comfortable to wear. As a result, you get a padded sweatband. Another really nice touch here is that they're using a different piece of fabric to separate each section of the sweatband. You have this top layer and the bottom layer, and look how clean that stitching is. One of the hardest parts of the entire process when it comes to making hats, where the sweatband meets the brim, because that margin for sewing is very, very small. That's where their 1mm rule comes in. This guy really doesn't have a lot of room to operate and attach that sweatband, and the stitching has to be very precise.