Men's KOS S/Sleeve Race Jersey

The definitive statement of your Badassness. Available only to Knights of Sufferlandria. Enter discount code* at check-out. (Race cut -- for those who want a more relaxed fit please order one size up) PLEASE refer to the code emailed to you when you completed your Knighthood — Not a Knight yet? Then visit to find out how to become one

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A jersey that combines comfort with speed for the professional rider as well as the dedicated enthusiast. Combining breathable and moisture-moving fabric across the chest area creates additional turbulence on the jersey surface to reduce air resistance and increase your speed. An innovative, form fitting shoulder-arm cut with fabrics that move with you and improve the aerodynamics of the jersey. The highly breathable, moisture-moving and elastic fabric used in the back allows additional air circulation. Full length front zipper, well designed rear pockets and attention to detail all over the design makes this jersey ready to perform and work for any length ride. Race proven and built with enduring comfort and features this jersey will go the distance.

  • State-of-the art lightweight materials across the jersey   
  • Vented, stretch fabric across the chest
  • Expandable back pockets for maximum storage that keep jersey laying flat, even when full
  • Silicone, elastic gripper on back panel secures the jerseys place, providing the right fit in the ride position 
  • Full length, auto-lock hidden zipper for ease and ventilation
  • Race Fit 


  • Please see a doctor. You’re not right and are in desperate need of help.
  • You must be at least 18 years old.
  • You must do 10 Sufferfest channel videos, back-to-back.
  • You can do them in any order you like.
  • You may not do any video title more than once (e.g., you can’t do the old and the remastered version of a video.)
  • The following workouts ARE valid as part of The Quest:
    • 14 Vise Grips
    • A Very Dark Place
    • Angels
    • Attacker
    • Blender
    • Butter
    • Cobbler
    • Defender
    • Do As You’re Told
    • Fight Club
    • GOAT
    • Hell Hath No Fury
    • It Seemed Like a Good Idea at the Time (ISLAGIATT)
    • Local Hero
    • Nine Hammers
    • Power Station
    • Revolver
    • Team Scream
    • The Bat
    • The Best Thing in the World
    • The Chores
    • The Downward Spiral
    • The Hunted
    • The Omnium
    • The Rookie
    • The Shovel
    • The Trick
    • The Wretched
    • There Is No Try
    • Thin Air
    • Violator
    • Who Dares.
  • If a video is NOT on the list above it is NOT valid for a Knighthood ride.
  • Running videos are not permitted.
  • You are allowed 10 minutes rest between videos. No more. But less is fine.
  • You must publicly record and post the event somehow – e.g., power/hr files, photos, Facebook posts and/or tweets during the event to show progress.
  • We do not set any kind of performance benchmark for your ride (i.e., how hard you have to go). However, we insist that you do a ride in which you Suffer and which, most importantly, of which you are immensely proud of yourself for having given all you can give and a bit more.
  • You really should, although it’s not necessary, try to raise money for a good cause. It’ll do good for the world and make you even prouder of yourself
  • Upon completion, fill out the form at the bottom of this page (don’t send us an email – we need it through the form).
  • Wait for us to get back to you (normally takes a few days).
  • If your ride is accepted, Wahoo will notify you and you’ll be invited to join the Knights-exclusive group on the SYSTMForum
  • Bask for eternity in the GLORY that comes from being a Knight. Never shall you not be the center of every single dinner conversation you attend from that point onwards.