These socks definitely have a seam. It's a very small seam, but it still bothers my little boy. I gave it 3 stars because my son will still wear them but he needs to fix them a few times first.
Boys' Gold Toe Ultra ๐งฆ Tec Back Stripe Crew Socks, 5-Pack
46 Review
12-Pack of Jefferies Seamless Sport Socks for Boys
45 Review
Jefferies Socks Boys Seamless Toe Crew Athletic Socks 6-pack
47 Review
๐ Premium Prince Athletic Socks - Active Black Boys' Clothing for Top-performance
45 Review
๐ Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review
Waterproof Cozy-Dry Rain/Snow Pants for ๐ง Kids by JAN & JUL, with Fleece Lining
64 Review
๐ Bold Pack Sleeve Active Hoodie Sweatshirt Set for Boys' Clothing - Stylish and Comfortable!
47 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review