💧New color: Blue grey — our bestselling waterproof shoe for kids.
In stock, ready to ship
Backordered, shipping soon
👇 Check the correct size from the table. Size charts are model-specific.
In the table below, you will find the shoe size we recommend for you based on the length measurement of your foot.
So, you only need to know the length of your foot in centimeters. Here’s how to find it out:
Measurement tip:
Place a piece of paper on the floor with one edge against the wall.
Put your heel against the wall and mark a line on the paper at the tip of your longest toe.
Measure the length from the edge of the paper to the line you drew.
Vaistoa Kaste Size Chart
Foot length (cm)
Size we recommend
Shoe interior length x width (cm)
12.6 - 13.1
23
14.6 x 6.8
13.2 - 13.7
24
15.2 x 6.9
13.8 - 14.3
25
15.8 x 7.1
14.4 - 15.0
26
16.5 x 7.2
15.1 - 15.7
27
17.2 x 7.4
15.8 - 16.4
28
17.8 x 7.5
16.5 - 17.0
29
18.5 x 7.7
17.1 - 17.7
30
19.2 x 7.8
17.8 - 18.3
31
19.8 x 8.0
18.4 - 19.0
32
20.5 x 8.1
19.1 - 19.7
33
21.2 x 8.3
19.8 - 20.4
34
21.9 x 8.4
20.5 - 21.1
35
22.6 x 8.6
21.2 - 21.8
36
23.3 x 8.7
21.9 - 22.5
37
24.0 x 8.8
22.6 - 23.3
38
24.8 x 9.0
Foot length = the measured length of your own foot; the toe allowance is already included, so you don't need to add anything. Shoe interior = the length and width inside the shoe. The recommended size leaves about 1.5 cm of room in front of your longest toe.
Updated 22.4.2025
A Natural Step Today – Stronger Feet for Tomorrow
Vaistoa Kaste is a waterproof barefoot shoe for kids that keeps up with every adventure—rain, mud, or sunshine. Designed for curious, active children who won’t let the weather slow them down. Kaste supports joyful play and movement in all conditions.
The thin, flexible sole allows for excellent ground feel and natural foot activation with every step. Toes can spread freely, and the foot’s small muscles get stronger as your child moves, runs, and plays.
Whether it's for school, daycare, backyard play, or family hikes in the forest, Kaste stays comfortably light on little feet while keeping tiny toes dry.
We offer a 90-day FREE return policy. You can try on your shoes at home and ensure they are a perfect fit for you before you start your Vaistoa adventure. If you're not completely satisfied, simply return them within 90 days for a full refund. No questions asked.
For detailed information about our return policy, please follow this link.
MEASUREMENTS:
Weight: 180 g (size 30)
Shaft height: 10.5 cm (size 30)
Sole thickness: 3 mm
USAGE
If barefoot shoes are new for your child, we recommend starting gradually. This allows the feet to slowly adapt to the new sensation and movement pattern.
Open the shoes properly when taking them off and putting them on. This reduces wear and helps extend the lifespan of the shoes.
Let the shoes air out well after use. Remove the insole, open the shoe wide, and allow the shoes to dry naturally before the next use.
It’s also good to give the shoes “rest days” so they can dry and ventilate properly.
CLEANING AND STORAGE
It’s best to clean off loose dirt right after use with a damp cloth or sponge.
We do not recommend washing barefoot shoes in a washing machine. The membranes in waterproof models may become clogged, and machine washing can weaken the durability of the shoe’s glued parts.
Store the shoes upright at room temperature and protected from UV light.
Enjoy every step and every adventure!
The Design from Finland mark indicates the origin of unique Finnish design.
Products and services bearing the Design from Finland mark are designed in Finland professionally, responsibly, and with a user-centered approach.
Three Steps to Enhance Your Child's Natural Walking Experience
Choose Color and Size
Measure your kid's feet according to our guidelines and check our size chart for the recommended size.
Try On at Home
Make sure the shoes fit well and feel comfortable. If needed, you can return the shoes for free within 90 days of purchase.
Adventure Begins
Unleash the explorer in every child! With each step, little feet feel the ground’s shapes, making every walk an adventure. Barefoot shoes offer a lighter, more natural way to explore the world around them.
Each Step in Barefoot Shoes Improves Your Child's Natural Foot Development
The 4 Key Features: How Shoe Design Impacts Your Child's Health
Fully Waterproof
Kaste features a waterproof membrane that forms seamlessly around the foot, providing reliable protection in rain and on damp forest trails
Good Grip
The flexible, low-profile outsole offers solid traction on all kinds of terrain—whether it’s wet grass, rocky paths, or piles of autumn leaves. Kaste keeps every step steady through every adventure.
Light and Flexible
Kaste is so lightweight and adaptive, it’s barely noticeable on the foot. Its flexible structure supports natural movement, without squeezing or restricting.
Matti Melanen
Physiotherapist Recommends
A child’s foot needs movement and a restriction-free environment to develop naturally. As children grow, the structures and mechanics of the foot strengthen through each developmental stage—none of which require external support.
According to expert recommendations, the ideal children’s shoe—from first steps to early adulthood—is flat, flexible, and spacious.
When paired with an active lifestyle, the right footwear helps build a strong foundation for everything to come: dreams, goals, and life’s challenges.
Customer Reviews
Overall rating: 4.8 / 5 from 273 reviews.
Two hours in the pouring rain in a wet forest, loads of puddles, and the child’s socks were dry by the time we got back inside! And thanks to the shoes, the child seemed to have no trouble at all walking through the forest 🙏
These are by far the best shoes we’ve ever tested. Our children with wide feet (aged 6, 8 and 10) have worn barefoot shoes all their lives, but now we’ve found a new favourite brand! The children are also really excited about just how good the shoes are, and that’s the best feedback🩵👌 The quality vaistoalla is top-notch; even after a year’s use, the shoes might still look as good as new.
Excellent mid-season shoes for children, whatever the weather. Ordered according to the size chart, they arrived in exactly the right size with a little room to grow. According to my 6-year-old, they have superb grip, are quick, look great and are easy to put on!
In early spring, I bought my child some Vaistoa Kaste flat-soled shoes. My child is sensory-sensitive, and switching to new shoes doesn’t always go smoothly. However, my child took to these shoes straight away. It’s easy for my child to put them on by themselves, and they’re comfortable and lightweight to wear. I’d definitely recommend them! Next, we’re going to buy some summer shoes for both my child and myself to try out.
This year I decided to get a pair of shoes in a new cherry-red colour. I chose a size with a bit of room to grow, so they’ll last until autumn!
I’m really pleased with my purchase once again – the shoes are light and comfortable. My daughter loves running in them because they don’t restrict her movement.
Thank you! 🍒
These are lovely and light to walk around the park in. They offer good grip when climbing. We haven’t had a chance to test them in the rain yet. My daughter really likes them.
My grandchild’s shoes haven’t been worn yet, as the weather is still summery. He’s tried them on and quite liked them. So we haven’t had any experience of wearing them yet.
My child’s favourite shoes. This is already the third pair – always one size up – and they’re still going strong. We use them all year round. My two-year-old loves putting them on and taking them off by themselves.
Children’s shoes for adults. Size 38 fits feet that are usually a size 36 or 37. There’s plenty of room for your toes to move around. They’re lightweight and easy to slip on and fasten with Velcro.
A 2-year-old’s favourite shoes! Easy for them to put on and take off by themselves. Plenty of room for the toes and comfortable to wear. They’ve also kept the water out really well👍🏼
I bought these vaistoa shoes for my 7-year-old son, and they’ve become his favourite pair! And even on hot summer days, he hasn’t wanted to wear any other shoes but these! So they feel great on his feet and are perfect for running about and climbing – thank you!
He wears size 35 and his foot is 18 cm long. When he first tried them on, he thought they were too big and it looked as though he wouldn’t agree to wear them, but then he tried them on again later and in the end they were just right and became his favourite shoes. So, when choosing shoe sizes, I initially wondered whether to go for a size 34 or 35, but it worked out well for us to go for the larger size – now they fit perfectly and he’ll be able to wear them for quite a while longer.
I bought these shoes for both my children in September 2025. They were worn for a couple of months in the autumn and for three months in the spring of 2026. The soles therefore lasted for about 5 months for both children. They’re waterproof, but otherwise the shoes don’t last very long when worn by children.
Amazingly versatile shoes – perfect for school and play, whatever the weather! 😍 My child loves them so much that they can’t bear the thought of switching to lighter shoes, but perhaps we’ll find a good alternative for those too Vaistoa. Thank you! 🙏🏼
Easy for a child to put on by themselves; they’re flexible and have plenty of room for the toes, and my child really likes the purple colour. They also seem to be quite water-resistant.
These immediately became my child’s favourite shoes! My 2½-year-old can put them on by themselves and they’re easy to walk in. The shoes are light and flexible. And they come in lovely colours!
Lightweight, the Velcro fastenings are a plus, and the colour is lovely. Size 38 fits my size 36/37 feet perfectly, leaving just the right amount of room for my toes.
Three children are wearing them. The children think they’re light and comfortable. The high shaft is a plus, and it’s lovely that the shoes are also available in purple. Easy for the children to put on themselves. One star off because I don’t consider these to be completely waterproof, but rather water-repellent. It’s also a shame that sizes end at 38, which is just about right for our pre-schooler, whose feet have had a growth spurt. We’ll have to look for a new pair of shoes for the autumn, as larger sizes are no longer available.
You can test the shoes indoors for 90 days. Returns are free, so you can order risk-free and with peace of mind. If you're not completely satisfied, simply return them within 90 days for a full refund. No questions asked.
For detailed information about our return policy, please follow this link.
Barefoot shoes have been around for years and are based on principles of natural movement and foot health. They are not just a trend; they are a step towards healthier footwear choices.
Our barefoot shoes are made from high-quality materials and designed for use in various environments. They are durable, but it’s important to remember that all shoes are consumable items. Barefoot shoes naturally have thinner soles compared to traditional thick-soled shoes. The durability of the soles can vary depending on the level of activity, the environment, and your child's walking style.
Many children with foot problems have found relief with barefoot shoes because they improve foot functionality. However, it’s wise to consult a healthcare professional before making a change if you are unsure.
Barefoot shoes do not provide any support because their purpose is to allow the foot muscles to work while moving. Supported shoes weaken the foot muscles because they don’t get to do their job.
Barefoot shoes allow a child's feet to grow and develop naturally, which is crucial for their overall foot health. Traditional shoes often restrict the natural movement and growth of a child's feet, potentially leading to various foot problems. Barefoot shoes promote natural foot function by providing a wide toe box and a thin, flexible sole that mimics the feeling of being barefoot. This encourages the development of strong, healthy foot muscles and improves balance and coordination.
Vaistoa Kaste Kids | Waterproof Barefoot Sneakers
Regular price€84,90
/
Tax included.
In stock, ready to ship
Backordered, shipping soon
👇 Check the correct size from the table. Size charts are model-specific.
In the table below, you will find the shoe size we recommend for you based on the length measurement of your foot.
So, you only need to know the length of your foot in centimeters. Here’s how to find it out:
Measurement tip:
Place a piece of paper on the floor with one edge against the wall.
Put your heel against the wall and mark a line on the paper at the tip of your longest toe.
Measure the length from the edge of the paper to the line you drew.
Vaistoa Kaste Size Chart
Foot length (cm)
Size we recommend
Shoe interior length x width (cm)
12.6 - 13.1
23
14.6 x 6.8
13.2 - 13.7
24
15.2 x 6.9
13.8 - 14.3
25
15.8 x 7.1
14.4 - 15.0
26
16.5 x 7.2
15.1 - 15.7
27
17.2 x 7.4
15.8 - 16.4
28
17.8 x 7.5
16.5 - 17.0
29
18.5 x 7.7
17.1 - 17.7
30
19.2 x 7.8
17.8 - 18.3
31
19.8 x 8.0
18.4 - 19.0
32
20.5 x 8.1
19.1 - 19.7
33
21.2 x 8.3
19.8 - 20.4
34
21.9 x 8.4
20.5 - 21.1
35
22.6 x 8.6
21.2 - 21.8
36
23.3 x 8.7
21.9 - 22.5
37
24.0 x 8.8
22.6 - 23.3
38
24.8 x 9.0
Foot length = the measured length of your own foot; the toe allowance is already included, so you don't need to add anything. Shoe interior = the length and width inside the shoe. The recommended size leaves about 1.5 cm of room in front of your longest toe.
