We took an incredibly expensive x-ray of the ocean to get the Fish Bone exactly right. Jk, we didn't do that but we did pull some files from the Natural History Museum and made some Xerox copies for inspiration. Behold!
Terry Loop In Forefoot, Heel, And Toe For Medium Cushion
Reinforced Heel & Toe
Seamless Toe Closure
Machine Wash in 40 °C / 104 °F.
Avoid Bleaching or Ironing the socks.
Socks will last longer if you keep them out of the dryer.