One pair. Three sizes. Zero squeeze.
Pediatrician-recommended shoes for growing feet — the sole expands as your kids' foot grow, so it is a perfect fit for months, not weeks.
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| Aretto | Age range | CM - Heel Toe | EU | UK |
|---|---|---|---|---|
| S0 | 0-1 yrs | 10.7 - 11.5 cm | 18 - 19 | 3.5 - 4 |
| S1 | 1-2 yrs | 12.1-13.4 cm | 20 - 22 | 4 - 5.5 |
| S2 | 2-3 yrs | 14-15.3 cm | 23 - 25 | 6 - 7.5 |
| S3 | 3-4 yrs | 16-17.3 cm | 26 - 28 | 8.5 - 10 |
| S4 | 4-6 yrs | 18-19.3 cm | 29 - 31 | 11.0 - 12.5 |
| S5 | 6-8 yrs | 19.9-21 cm | 32 - 34 | 13.0 - 2.0 |
| S6 | 8+ yrs | 21.6-23.3 cm | 35 - 37 | 2.5 - 4.5 |
| Aretto | Age range | CM - Heel Toe | EU | UK |
|---|---|---|---|---|
| S0 | 0-1 yrs | 10.7 - 11.5 cm | 18 - 19 | 3.5 - 4 |
| S1 | 1-2 yrs | 12.1-13.4 cm | 20 - 22 | 4 - 5.5 |
| S2 | 2-3 yrs | 14-15.3 cm | 23 - 25 | 6 - 7.5 |
| S3 | 3-4 yrs | 16-17.3 cm | 26 - 28 | 8.5 - 10 |
| S4 | 4-6 yrs | 18-19.3 cm | 29 - 31 | 11.0 - 12.5 |
| S5 | 6-8 yrs | 19.9-21 cm | 32 - 34 | 13.0 - 2.0 |
| S6 | 8+ yrs | 21.6-23.3 cm | 35 - 37 | 2.5 - 4.5 |
29 Jul
29–30 Jul
31–1 Jul
| ARETTO SIZE | UK | EU | CM |
|---|---|---|---|
| S0 | 3.5 - 4.0 | 18 - 19 | 10.7 - 11.5 |
| S1 | 4.0 - 5.5 | 20 - 22 | 12.1 - 13.4 |
| S2 | 6.0 - 7.5 | 23 - 25 | 14 - 15.3 |
| S3 | 8.5 - 10 | 26 - 28 | 16 - 17.3 |
| S4 | 11.0 - 12.5 | 29 - 31 | 18 - 19.3 |
| S5 | 13.0 - 2.0 | 32 - 34 | 19.9 - 21 |
| S6 | 2.5 - 4.5 | 35 - 37 | 21.6 - 23.3 |
A r e t t o L e a p s c o m b i n e s d e s i g n & t e c h n o l o g y t o g i v e g r o w i n g f e e t w h a t t h e y n e e d m o s t : f r e e d o m
Enhanced Grip
Natural Foot Shape
All Round Protection
Keeps feet cool & dry
Feel the ground
Boost Cognition
Right size at the right time → Expands as feet grow, never too tight, never too loose.
Supports natural development → Toes spread freely for grip, balance, and strength.
Encourages healthy posture → Flat, barefoot design supports natural gait.
More comfort, less restriction → Space to move without pinching or pressure.
Protects long-term health → Reduces risks of foot issues like bunions or flat feet.
Summer Swim is for the months when shoes take the most punishment and parents have the least patience for replacing them. Built for warm weather, outdoor use, and feet that are growing faster than the season is moving.
1. SuperGrooves sole grips on wet, dry, and uneven surfaces, and expands across 3 sizes to handle up to 18mm of foot growth. Summer stretches out. Feet grow through it. This pair keeps up without needing a replacement. Wide toe box allows for the natural swelling that warm weather brings, toes stay comfortable, grip stays reliable. Zero-drop puts kids in the right position whether they're on flat ground or uneven terrain.
2. SquishyFoam cushions without holding heat. Infiknit upper is recycled polyester and spandex, breathes properly in warm weather, dries faster than most materials, and doesn't stiffen up between uses, lightweight, cool. Doesn't feel like a shoe in the middle of July.
3. Slip-on with elastic flex, manageable at the poolside or the park gate without any help.
4. Reinforced at the toe and heel because summer is rough on shoes and this pair is built to take it. EU 20 to 37.
- Free exchanges if the size isn’t right
- Easy returns within policy window if your child isn’t comfortable
- Comfort guaranteed or we’ll make it right
- Machine wash on gentle cycle, cold water
- Air dry; avoid direct sunlight or heat
- Spot clean with mild soap for everyday stains
Supergrooves™ is a patented expansion technology that adapts with growing feet, keeping shoes comfortable and always the right size
The Wide Toe Box lets toes spread for balance, grip, and strength.
Zero-Drop Barefoot sole keeps heel and toe level for proper alignment.
Infiknit™ knit upper stretches and flexes naturally with the foot and keeps feet cool and dry all day.
SquishyFoam insole absorbs impact while supporting natural foot movement.
Supergrooves™ is a patented expansion technology that adapts with growing feet, keeping shoes comfortable and always the right size
The Wide Toe Box lets toes spread for balance, grip, and strength.
Zero-Drop Barefoot sole keeps heel and toe level for proper alignment.
Infiknit™ knit upper stretches and flexes naturally with the foot and keeps feet cool and dry all day.
SquishyFoam insole absorbs impact while supporting natural foot movement.
The shoes utilize a special mechanism that allows them to grow with your child’s feet without causing discomfort. They are designed to accommodate foot growth over time.
We use a combination of breathable fabrics and flexible, durable materials, including memory foam for cushioning.
With proper care, our shoes can last for several years. However, their lifespan can vary based on usage and care.
Yes, our shoes are designed to be versatile and can be used for various activities, including sports.
We are currently focused on children's footwear, but we are exploring the possibility of expanding our range to include adult sizes in the future.
Yes, if your child isn’t comfortable with the shoes, we have a return policy in place. Please check our website for detailed guidelines.
You can contact us through our contact page! We will be happy to assist you.
