Quick answer
For the best fit in Donsje leather toddler shoes, measure your child's foot length and width at home, then choose a size that leaves about a thumb's width (0.5–0.8 cm) of growing room. Leather shoes like the Dubu Exclusive Shoes mold to the foot over time, so a snug but not tight fit is ideal.
Why leather shoes fit differently than sneakers
Donsje toddler shoes are crafted from soft, high-quality leather that naturally stretches and conforms to your child's foot shape with wear. This means a leather shoe that feels slightly snug at first can become perfectly comfortable after a few wears. Unlike synthetic sneakers, leather offers breathability and flexibility, but it also requires a more careful initial fit assessment to avoid buying too large or too small.
The challenge of growing feet
Toddlers' feet grow rapidly—sometimes a full size every few months. This makes sizing a moving target. The temptation is to buy shoes with extra room to 'grow into,' but too much space can cause tripping, blisters, and poor walking development. The goal is a balance: enough room for natural growth without compromising support and safety.
Decision rules for the perfect Donsje shoe fit
- Measure both feet at the end of the day: Toddlers' feet swell slightly during the day, just like adults'. Measure in the afternoon or evening for a more accurate size. Trace each foot on a piece of paper while your child stands, then measure from heel to longest toe. Always use the larger foot measurement as your reference.
- Check the thumb-width rule: After your child puts the shoe on, press your thumb gently at the tip of the longest toe. You should feel about a thumb's width (roughly 0.5–0.8 cm) of space. Any more and the shoe is too big; any less and it's too small. For first walkers, err on the slightly snug side—leather will stretch.
- Use the velcro straps to adjust fit: Donsje shoes like the Dubu Exclusive Shoes come with adjustable velcro straps. When you first try the shoe, the straps should be snug but not digging in. As your toddler's feet grow, you can loosen the straps to accommodate a bit more room without needing a new size immediately. If the straps are already at their loosest setting and the shoe still feels tight, it's time to size up.
- Check for heel slippage: With the shoe on and fastened, gently try to lift the heel. There should be minimal to no slippage. A little movement is normal for new leather shoes, but excessive slipping means the shoe is too big and could cause blisters or falls. If you can easily slide your finger between your child's heel and the shoe back, the size is too large.
- Consider width as well as length: Toddler feet vary in width. Donsje leather shoes are designed with a generous toe box to allow natural splay, but if your child has particularly wide or narrow feet, pay attention to how the shoe feels across the widest part of the foot. Leather will stretch widthwise over time, but it should never pinch or leave red marks after a short wear. If the shoe feels tight across the width even with the straps fully loosened, consider a different style or size.
Featured product
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Dubu Exclusive Shoes | Fluffy Squirrel | Walnut Nubuck: These exclusive shoes feature adjustable velcro straps and an adorable fluffy squirrel detail. Gentle on tiny feet, they offer secure all-day wear. The adjustable velcro straps allow you to fine-tune the fit as your toddler's feet grow, extending the wearable period without sacrificing security.
Dubu Exclusive Shoes | Fluffy Squirrel | Walnut Nubuck
Who is this guide for?
Best for
- Parents buying their first pair of Donsje leather shoes for a toddler who is walking or starting to walk
- Parents who want to extend the life of their Donsje shoes by choosing the right size from the start
Not for
- Parents looking for a shoe sizing guide for athletic or synthetic sneakers
- Parents of children who are not yet standing or taking steps (pre-walkers may need a different fit approach)



