Size Chart Guide

  • Above-Knee

STEP 1: Measure Circumference

Measure the circumference along the top of your prosthetic socket. Continue to STEP 2: Find your size

How to measure an Ak amputee for a cool flex suspension belt.

STEP 2: Find your size

Take circumference measurement and use the chart to determine your size. If you're in-between sizes, we suggest remeasuring again to be on safe side.

Small 16 - 20
Medium 20 - 24
Large 24 - 30



Prosthetic Categories


Knit-Rite Cool Flex AK Belt


Knit-Rite Cool Flex AK Belt

Size Chart Guide

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Free Shipping

In-Stock, most sizes ship within 1-4 days.

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

Cool Flex AK Belt Description

The Knit-Rite CoolFlex AK Belt is designed for above knee prosthetic users that need a lightweight breathable belt or secondary suspension for working out and extra security. The Cool-Flex Belt really shines for those active AK users that need a secondary suspension system that just works without creating other issues like sweating. The CoolFlex material is breathable, allowing moisture out and air in. Think hiking, cycling and other strenuous activities without fear of losing suspension. Knit-Rite CoolFlex also includes a silicone border that grips your socket. Coupled with its Gun Slinger (Hip Hugger) design for added stability and ease of use, we think Knit-Rite has created a winner!


  • Cool Flex belt is a cooler alternative to neoprene AK suspension belts
  • Gun Slinger (Hip Hugger) design offers improved stability and comfort
  • Silicone strip along the bottom to secure your prosthesis and limit socket rotation
  • Cool Flex has a reversible and trimmable attachment to  the waist band for a custom fit
  • Universal Side, no left or right
  • Non-allergenic
  • Made in the USA
  • Sold individually in a sealed polybag

Have product questions? We're here to help!


Features & Details

Knit-Rite Cool-Flex Materials

47% nylon, 40% polyester, 13% lycra

Care Instructions

Attach hook to pile before washing. Machine wash warm, no bleach; air dry.


When installing your Knit-Cool-Flex Suspension Belt we suggest you do not remove the plastic covering over the silicone band until your belt is positioned. Once positioned remove the silicone plastic covering to secure your prosthesis. Silicone band works best against the socket if feasible, versus over your foam cosmetic cover.

Part Numbers (SKUs)

Size Knit-Rite Product Numbers


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.


Knit-Rite Coolflex AK Belt typically ships within 2 business days.

Product Packaging: Polybag

Customer Reviews & Questions