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The Streamline Training 3" Shorts are made to keep you light, cool and ready to move. With a 3-inch inseam and breathable running poly fabric, these shorts are all about freedom and function during your toughest sessions. Designed with side splits for added mobility and an encased elastic waistband with drawcords for a secure feel. The invisible zip pocket gives you storage without the bulk, while the subtle front logo keeps the branding clean and athletic.

Product Features

  • True to size
  • 3" Inseam
  • Side splits
  • Invisible zipper pocket
  • Encased elasticated waistband with drawcords
  • Muscle Nation logo on front leg
  • 88% Polyester 12% Elastane
  • Running Poly Fabric

Size Guide

Model: Samuel - 171cm, wears size M

4.7★★★★★214 reviews
214 reviews
  • Liam G.Verified Buyer
    ★★★★★

    Perfect fit

    True to size and so soft. The waistband stays put through every movement.

    27/06/26

    Was this review helpful?21
  • Tom S.
    ★★★★★

    Perfect fit

    True to size and so soft. The waistband stays put through every movement.

    27/06/26

    Was this review helpful?321
  • Ruby R.Verified Buyer
    ★★★★★

    Premium feel

    Feels way more expensive than it is. Stitching and finish are spot on.

    26/06/26

    Was this review helpful?152
  • Jack J.
    ★★★★

    Great fit, slightly long

    Love the cut and the colour is exactly as pictured. Length runs a touch long for me but otherwise perfect.

    25/06/26

    Was this review helpful?191
  • Daniel B.
    ★★★★

    Five stars

    Can't fault it. Fast delivery and exactly as described.

    25/06/26

    Response from MN Generation

    Thank you so much for your feedback 💛 We're thrilled you're loving it. If there's ever anything we can help with, our team is always here. — MN Team

    Was this review helpful?110

Showing 15 of 214 reviews