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Get ready to pack it all with the Muscle Nation Backpack! Built for athletes who demand performance from every piece of their gear.

This isn't just another backpack. The Muscle Nation Backpack is designed for serious athletes who need reliable storage that keeps up with their active lifestyle. Whether you're heading to the gym, traveling to competitions, or packing for training camps, this carry-on sized backpack delivers the organisation and comfort that supports your athletic goals.

Built for Athletes:

The spacious main compartment with internal pocket provides smart organisation for all your training essentials, while the padded, ergonomic adjustable straps ensure comfortable carrying during long training days. This is performance gear storage, designed to handle the demands of serious athletes who train consistently.

Train organised with a backpack that's built for functionality. The external zip pocket and side bottle holders keep your most-needed items within easy reach, while the sturdy top handle adds versatility for different carrying situations.

Performance Features:

  • Carry-on luggage size for travel convenience
  • Dimensions: Width 34cm / Length 41cm / Depth 15cm
  • Large main zipped compartment with internal pocket for organisation
  • Padded, ergonomic adjustable straps for comfortable carrying
  • External zipper compartment for easy access to small items
  • Side pockets with elastic edge for drink bottles
  • Top handle for versatile carrying options
  • Muscle Nation print across the top
  • 100% Polyester for durability

Sizes below are approximate. Compare with a garment you already own and like. If between sizes, size up for a relaxed fit or down for a tighter fit.

SizeUSWaist (in)Waist (cm)
XXS024–2561–64
XS226–2766–69
S428–2971–74
M630–3176–79
L832–3481–86
XL1035–3789–94
XXL1238–4097–102

How to measure

  • Waist: measure around narrowest part of waist.
  • Hips: measure around fullest part of hips and bum.
  • Inseam: measure inside leg from crotch to ankle.
  • Chest: measure around fullest part of chest.

Fit tips

  • Compression pieces should feel snug but not restrictive.
  • Training tops and tees are designed for movement.
  • For a looser feel, go one size up.

Returns

We hope you love your new items! If you're not 100% satisfied, return within 30 days for a full refund or exchange. Sale items are final.

Shipping

  • US — Free over $130, otherwise $9.99
  • NZ — $10.00
  • USA / UK — $12.00
  • Europe — $14.00

Reviews

4.8★★★★★Based on 128 reviews
  • ★★★★★

    Excellent quality

    Honestly the best gym apparel I've owned. Fit is true to size and the fabric holds up after dozens of washes.

    Sarah M. · 12 Mar 2026

  • ★★★★★

    Worth every dollar

    Bought two more in different colours after the first one. Comfortable for lifting and running.

    Daniel R. · 28 Feb 2026

  • ★★★★

    Great fit, slightly long

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

    Priya K. · 14 Feb 2026

  • ★★★★★

    MN never disappoints

    Quality is on par with my other MN Generation pieces. Shipping was fast and packaging was on point.

    Marcus T. · 02 Feb 2026

Muscle Nation Backpack - True Leopard Print | MN Generation