How to Choose the Right Size of Baby Anti-Slip Crawling Pants
Once your baby starts crawling, their pants go through a lot. Knees slide on the floor, the fabric shifts during movement, and sometimes the pants even slip down. That is exactly why anti-slip crawling pants for babies can be so helpful. They support movement, help babies get a better grip on the floor, and protect the knee area during crawling.
When choosing the right size, parents often make one common mistake: they buy a bigger size so the pants will last longer. This may work with some types of baby clothing, but with anti-slip crawling pants it can reduce their functionality.
Why buying a bigger size is not always a good idea
Anti-slip crawling pants work best only when the anti-slip area is positioned correctly on the knees. If the pants are too big, the anti-slip part may sit too low, so the baby’s knees no longer align with it properly while crawling.
If the pants are too large, it can cause several problems:
- the anti-slip area may no longer be on the knees,
- the pants may bunch up during crawling,
- the waistband may feel too loose and the pants may slide down,
- your baby may not get the support they need while moving.
So while a bigger size may seem like a practical choice at first, it often means the pants do not perform as they should.
How anti-slip crawling pants should fit
The right size should fit comfortably while still allowing full freedom of movement. The pants should stay in place at the waist, not slide down, and the legs should not be unnecessarily long.
Ideally, properly fitting crawling pants should meet these points:
- the anti-slip parts are positioned on the knees,
- the pants stay in place at the waist,
- the leg length is appropriate,
- your baby can move freely and comfortably.
How to measure the right size
We recommend comparing the measurements with a pair of pants that already fits your baby well. In the image below, you can see the main measurements used in our size chart:
- a – waistband cuff height
- b – pant length
- c – waist width

Size chart for anti-slip crawling pants
| Size | Waistband cuff height (a) | Pant length incl. bottom cuff, excluding waistband (b) | Waist width (c) |
|---|---|---|---|
| 68 | 9 cm | 38 cm | 18 cm |
| 74 | 9 cm | 40.5 cm | 19 cm |
| 80 | 9 cm | 43 cm | 20 cm |
| 86 | 9 cm | 45.5 cm | 21 cm |
| 92 | 9 cm | 48.5 cm | 22 cm |
A helpful tip for parents
If you are choosing between two sizes, it is usually better to choose the size that matches your baby’s current body size rather than buying a much bigger one for later. That way, the anti-slip areas stay where they should be and the pants can do their job properly.
Function matters more than extra room
With clothing designed for crawling babies, the correct size matters more than with regular baby pants. It is not only about how long the clothing will last, but mainly about comfort, proper support, and functionality during movement. When the size fits well, your baby can crawl more comfortably and the anti-slip features can work as intended.
If you are choosing anti-slip pants, we recommend checking both the size label and the actual measurements in the size chart.

