Size Chart Guide

  • Below-Knee
  • Measuring Tips & Videos

STEP 1: Top & Bottom

Measure the circumference around the middle of your knee cap and 2 inches up from the end of your residual limb. Continue to STEP 2: Length


How to measure Ply2 for BK Amputees.

STEP 2: Length

Length is a matter of preference. However, the typical rule is 2-3 inches past the middle of your knee cap. Continue to STEP 3: Find your size


STEP 3: Find your size

Take both your top, bottom, and length measurements and use the chart to determine your size. If you're in-between sizes, we suggest remeasuring again to be on safe side.

BK amputee socks.
TOP (INCHES) 14.5 - 24
Short 10 - 14
Medium 16 - 20
Long 22 - 28


When taking body measurements, you need to use the correct type of tape measure. You will want to use a soft cloth or flexible plastic  tape measure, similar to what a seamstress uses. Do not use a metal measuring tape, used in construction (your measurements will be inaccurate).  Please don't guess, if you still have your sock packaging you can refer to the packaging size tab.  Pay special attention not to pull your measuring tape too tight.  Doing so will produce a measurement that is too small. 

The most difficult measurement is the bottom measurement.  Too often, people measure too high along the bottom of their limbs producing a larger "Bottom" measurement.  Ideally, measure 2 inches up from the bottom of your limb and use a pen to mark this level on your limb. Once you know exactly where to measure, use a tape measure to carefully measure your bottom circumference.



Prosthetic Categories

Comfort Products

Comfort Ply-Two Super Soft Sock, 2 Ply, Acrylic and Lycra

Comfort Products

Comfort Ply-Two Super Soft Sock, 2 Ply, Acrylic and Lycra

Size Chart Guide
$15.70 - $19.90
$15.70 - $19.90
Sale price
Unit price

*This product will delay your order 7-9 business days.


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Buy all three

Ply-Two Soft Sock Description

Comfort Products Ply-Two Super Soft Prosthetic Sock is a feature rich 2 ply thickness prosthetic sock. The Ply-Two offers a lot of stretch in both length and width, allowing this sock to mold itself to the contours of your residual limb. Prosthetic users no longer have to pull their socks so taught to eliminate that pocket that forms along the bottom with other brands.  Amputees of all activity levels will enjoy the softness of this 2 ply sock. Diabetic amputees may also benefit from its softness and stretch in preventing skin issues from abrasions. Aside from feeling soft and comfortable from its double fleecing, the acrylic material will assist in wicking sweat away from your skin, helping to alleviate excessive sweating. Did we mention it's insanely durable through the use of a nylon reinforced toe and interlocking stitching.


  • Ply-Two Super Soft Sock wick perspiration away from the skin, keeping you dry
  • 2 ply thickness constructed using a interlocking stitch to create a durable amputee sock.
  • Rounded reinforced toe area prevents that all too familar pocket from forming along the bottom of your limb
  • Ply-Two uses a lot of acrylic and lycra yarn allowing this amputee sock to fit like a custom sock
  • Non-allergenic for amputees with sensitive skin
  • Machine washable
  • Made in the USA

Have product questions? We're here to help!


Features & Details

Ply-Two Sock Materials

98% Acrylic, 2% Lycra

Care Instructions

Launder in home washer and dryer using delicate fabric cycles. Use mild detergent, no bleach.


Wear a fresh sock every day to prevent packing down your Ply-Two sock.

Part Numbers (SKUs)

Size SKU
Medium / Short PTMS
Medium / Regular PTMR
Medium / Long PTML


If you're not completely satisfied with your Amputee Store purchase, you can return your eligible items within 90 days of the original ship date. Items in new condition (unopened/unworn/unwashed) can be returned for a full product refund less original shipping costs. Please read our complete return policy for further instructions.


Ply-Two Socks typically ships within 4 business days.

Product Packaging: Polybag

Customer Reviews & Questions