• Prosthetics

    Explore our full line of prosthetic socks and related products

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  • Orthotics

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Ultra-Fit-Filler Socks

The Comfort Ultra-Fit Filler Sock™ has amazing stretch that allows it to conform to irregular shapes with ease. Our special knitting allows the standard 18” length to be cut shorter without the fear of running or unravelling. The Cotton and Lycra construction, along with our unique finishing processes make the Ultra-Fit Filler Sock extremely soft. The nylon reinforced toe increases durability.


  • Exceptional stretch that allows the sock to fit like a gloveultrafit filler single
  • Conforms to irregular shapes, including Symes and Chopart amputations
  • Can be cut to length without running or unravelling
  • Knitted toe pocket with minimal side seam eliminates common heavy seam at distal end of sock
  • Full one ply thickness
  • Nylon reinforced toe for added durability
  • Available in AK and BK versions, along with a smaller size suitable for pediatric and upper extremity amputees
  • Also available with a vulcanized 3S hole
  • Offered in convenient packages of six
  • Available sizes fit approximately 90% of amputees



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An Ultra-Fit Lightweight Half-Ply Cast Sock is also available!