Shape changes everything — how the lace sits, how it grips, and how the whole boot reads. Here is how to choose between round and flat.
Round and flat are the two great families of laces, and the choice is more than cosmetic. The shape affects how the lace seats in the eyelet, how much it shows across the front of the boot, and how securely it holds a knot. Here is everything you need to choose with confidence.
The short answer
| Choose | If you want |
|---|---|
| Round laces | A classic, understated look; easy threading; a refined profile on dress and service boots |
| Flat laces | More surface presence; a broad, even lay across the eyelets; a casual or vintage feel |
Round laces
Round laces are the traditional choice for boots. They thread quickly, sit neatly in round eyelets, and keep a low, tidy profile. Within "round" there is a surprising amount of range:
Round cord
A smooth, even cord — the everyday classic. Our 60" round cord waxed laces use a 2.5 mm cord that threads cleanly through most boot eyelets.
Round braided
A braided 3 mm construction adds subtle texture and a bit more grip in the knot. See the 48" and 54" round braided laces.
Thin round
At just 2.3 mm, our thin round cord is the dressiest round option — ideal for finer boots and shoes with smaller eyelets.
Flat laces
Flat laces lay broad across the front of the boot, covering more surface and giving a relaxed, slightly vintage character. They are the natural choice for casual and work boots, and they make a bold statement in a contrasting color. Flat comes in two main widths:
Skinny flat
A 4.5 mm semi-waxed flat lace that balances presence with restraint. The 54" skinny flat is a great middle ground if a wide flat feels like too much.
Wide flat
At a full 6 mm, wide flat laces make the strongest visual statement. Reach for the 54" wide flat when you want maximum presence across the eyelets, on work boots and casual boots alike.
Eyelet check: flat laces need eyelets wide enough to pass the full width of the lace without bunching. Most modern boots handle a 6 mm flat with ease, but very small dress eyelets are happier with a thin round.
Which holds a knot better?
Both hold well when waxed. Flat laces have more surface area pressing against themselves, so they can feel especially secure. Round braided laces grip slightly better than smooth round cord thanks to their texture. Any of them will stay tied with a confident double knot.
Frequently asked questions
Are round or flat laces better for boots?
Round laces are the traditional boot choice and suit most work and service boots. Flat laces lean casual or vintage. Both work well — it comes down to the look you want.
Can I put flat laces on boots that came with round?
Yes, as long as your eyelets are wide enough to pass the flat lace cleanly. Match the length to your eyelet count and you are set.
Which is easier to thread?
Round laces thread fastest, especially through smaller eyelets, because the tip and body share the same slim profile.
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