Disclaimer - I am a small adult who bought these for a glacier hike. They are good because they are waterproof and have a good grip. I think they were mainly intended for little teens playing in the snow and not for intense winter sports, but they've held up quite well.
Non-Slip PIZOFF Toddler Water Shoes: Quick-Drying Aqua Socks For Beach, Swimming, And Walking Adventures!
3 Review
π Ultimate Footwear for Active Boys: Basketball Comfort Sneakers - Breathable & Non-Slip
3 Review
Quick-Dry Closed-Toe Water Shoes For Boys & Girls - Ideal For Aquatic Sports - Toddlers & Kids Size - HOBIBEAR
51 Review
π Highly Durable Kids Running Shoes - WETIKE Boys Basketball Shoes Non-Slip Outdoor Trainers for Girls (Little Kid/Big Kid)
8 Review