PRO Compression Knee-High Upcycle Sock in Black containing recycled plastic and recovered upcycled cotton.
Side angle of PRO Compression Knee-High Upcycle Sock in Black containing recycled plastic and recovered upcycled cotton.
Marathon, Upcycle Black
Compression rating: 15-25 mmHg
Select Size (all sizes unisex)

We are proud to introduce our new line of Upcycle Marathon socks - the perfect EVERYDAY SOCK! These eco-friendly socks are made from a blend of yarns including 64% RECOVER BLUE® upcycled cotton and RPET recycled plastic.

The Marathon Upcycle Black makes a great daily sock as it features an incredibly soft feel and lighter compression for the optimal combination of comfort and function. 

This knee-high Marathon sock offers true graduated compression, increases blood flow, and allows you to perform at your peak, recover faster and feel better sooner. Our advanced design supports critical muscles and tendons, and our proprietary blend of materials wicks moisture for a comfortable fit that goes the distance.

Proprietary blend of RECOVER BLUE® upcycled cotton and recycled plastic as well as nylon and spandex. Made in USA.

  • Machine or hand wash cold.
  • Line dry.
  • Do not iron.
    • FREE Shipping for US orders over $79.
    • Express + international shipping available.
    • Easy returns and exchanges for 60 days.
    • See all shipping & return policies.

    Why Compression Socks?

    Top Benefits of Graduated Compression Socks:

    • Enhance circulation and blood-flow
    • Boost peak performance levels
    • Support critical muscles and tendons during exercise
    • Minimize soreness and speed recovery
    • Reduce swelling and fight fatigue

    Why PRO Compression?

    It's no mystery why we're known for making the best compression socks on the market. When you do something well, people tend to take note.

    • Expertly designed to provide the perfect balance of comfort and support for everyone, from athletes to everyday wearers
    • Comfortable, breathable, moisture-wicking, and odor-resistant fabrics
    • Independently tested and certified for stated compression ratings

    How to Choose Compression Socks

    Step 1: Determine your primary use

    Step 2: Measure your calf circumference and refer to our PRO Right Fit Guide to determine the best size

    Step 3: Shop ‘til you drop! Pick your favorite style, you really can’t go wrong


    • Endurance running/walking, nurses and medical professionals, traveling, maternity, soccer, football, roller skating


    • Running, cross-training, hiking/trail, and everyday use


    • Golf, tennis, pickleball, running, and everyday wear

    Need help picking a sock? Email our Product Support Team

    Our customers say it best...