Life may already be in 3D but why not add some more 3D illusion to your everyday style? Check out these Filled Optic socks that complete any outfit. This pair of checkered socks is filled with fun! Made from soft and breathable organic combed cotton. The Filled Optic Sock brings a mesmerizing 3D effect to your footwear with its innovative checkered design. At Happy Socks, we believe in color, creativity, and fun! This pair of crew socks features a unique, eye-catching pattern that adds a dynamic twist to any outfit. The bold, blue hues create a striking visual illusion, making these funky socks a great conversation starter. Whether you're dressing up or dressing down, the Filled Optic Sock is sure to add a touch of excitement to your look. Perfect gift for: fashion-forward friends and coworkers.