I sell a high-end product for a rather niche hobby. I'd rather not say the exact product, but for example's sake, let's say they are high performance hats specifically for mountain climbers. If you don't actively climb mountains, you would never consider buying these hats apart from maybe a gift to somebody that climbs. There is no sizing (i.e. one size fits all), but there are four different materials (Wool, Cotton, Carbon Fiber, Alpaca), and 4 different fabric thicknesses (thin, medium, thick, and chonky). When people come to my website, it's an even split if they are searching for the fabric first to later decide on the thickness, or if they have a particular thickness in mind first to later choose the fabric. I currently have 8 different collection pages each representing a fabric or thickness. Once going to a collection page, you can filter down to more specific, or click a link to a collection with a filter preset. For example, I choose Shop by Material...