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The Reebok 4K Loose Jock Short is a loose fitting style comprised of antimicrobial, lightweight, and breathable mesh material.  The 4K jock features velcro ice sock attachments, along with the internal elastic leg straps giving it a more secure hold.  Hardcore performance cup included. Machine washable. 

  • Model Number: JS4K
  • Fit Guidelines: Loose
  • Reebok Sizing Guidelines:
    Short Size / Waist Measurement
    JR SM / 24" - 26"
    JR MD / 26" - 28"
    JR LG / 28" - 30"
    SR SM / 30" - 34"
    SR MD / 32" - 36"
    SR LG / 34" - 38"
    SR XL / 36" - 40"
    SR XXL / 38" - 42"


  • Breathable lightweight mesh material 
    • Provides temperature control
    • Antimicrobial material improves sanitation
  • 2" Heavy duty elastic waistband with drawsting closure 
    • Ensures comfort and support
  • Protective cup is included
    • Hardcore Performance cup offers protection without restricting movement
  • Internal elastic leg straps - Secure cup in place
  • Velcro ice sock tabs 
    • Offer a solid grip on ice socks during play
  • Machine washable
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Comments: Had this for over 3 years, I like it alot. Nice and baggy, don't really notice wearing them. I wear core shorts underneath. Descent durability so far, but the liner for the jock is starting to rip.
From: Mike, WA

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  • The Reebok 7K Compression Jock Short is a body fitting jock short which helps keep your muscles warm and tight for enhanced performance. The 7K jock has an external cup cavity paired with the protective Reebok performance cup. Internal elastic leg straps allow for an even more secure fit. The stretch lycra material features antimicrobial treatment and the entire short is machine washable.


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