Five questions, in this order. The first one eliminates about half the market and almost nobody asks it first, which is why so many people buy premium scrubs that come back from the hospital laundry ruined.
Question 1: who launders them?
This goes first because it is the only one that eliminates whole brands.
If your employer launders centrally, at industrial temperatures, rule out any fabric with meaningful rayon content. Rayon is what makes a premium scrub feel good and it is what industrial washing destroys. You want poly-spandex or 100% polyester - which is to say, the mid-market brands.
If you wash them at home, the premium blends are genuinely available to you and the hand-feel difference is real. You also get to control temperature and skip the dryer, which is most of what makes technical fabrics last.
Question 2: how warm is your unit?
Fabric weight in ounces per square yard is the specification that answers this, and almost nobody publishes it. Where it is published the range is large - 6 to 9.7 oz/yd2 on this site - and that is the difference between a top you can work a warm unit in and one you cannot.
Two rules of thumb. Avoid 100% polyester if you run hot: it is durable and it is the least breathable fabric in the category. And treat an absent fabric weight as a reason for caution rather than an absence of information.
Question 3: what do you carry?
Write the list: shears, penlight, pens, tape, phone, wipes, badge, whatever your unit needs. Most people land on six or seven things and own a top with two pockets.
Then decide where the capacity comes from. Pants hold more and are more secure. Tops are faster to reach. A jacket is the overlooked third option - six pockets on a garment you are wearing anyway, with the caveat that removing it at the bedside takes your kit with it.
Count AND geometry: patch pockets are deeper than set-in ones, pen slots keep pens upright, and a D-ring stops a badge reel tearing a pocket edge. The pockets page goes further.
Question 4: what do standard sizes get wrong for you?
Identify the one dimension. Waist-to-hip difference, torso length, inseam, shoulder width - whichever is the thing that never fits.
Then look for construction rather than a size label. A yoga waistband for a waist-to-hip difference. Back darts for shaping. A back yoke for the seat. Side vents at the hem. A jogger cuff for length. These are mentioned in product descriptions when they exist, and a larger size in a straight-cut pattern is just a bigger version of a garment that did not fit. Curvy and plus size and petite and tall cover the two main cases.
Question 5: how many can you afford?
You need four or five sets so nothing gets washed overnight. That is the arithmetic, and it usually beats upgrading two sets to premium - because the premium pair will always be the one in the wash.
A good compromise if you want the premium fabric: buy premium pants and mid-market tops. Pants show wear less, get laundered the same amount, and the fit benefits of a good waistband and rise are mostly in the pant anyway.
Then: buy properly
- Buy tops and pants separately. Sets assume your top and bottom are the same size and plenty of people are two apart.
- Check opacity under real light, with the fabric stretched the way it will be on you.
- Bend, reach and sit before deciding. A top that fits standing still and gaps when you lean over a bed has failed the only test that matters.
- Wash before hemming. Rayon-content fabrics can shrink slightly on the first wash.
- Check the uniform policy. Color, logos, jogger legs and outer layers at the bedside are all things facilities have rules about.