Named "Best Gym Bags to Keep Your Training Goals In" by Gear Patrol in 2024.

WE’RE SERIOUS ABOUT OUR GEAR

SHOP CORE DUFFEL
PACK

Pack all your essentials. Fits gym clothes, supplements, lifting gear, and even your laptop.

 LOAD

Designed to take a beating. Load up with confidence thanks to sturdy 500D nylon and heavy duty buckles.

 CUSTOMIZE

Customize your internal configuration. Removable dividers allow you to add or remove compartments easily.
PACK
LOAD
CUSTOMIZE
SHOP CORE DUFFEL
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Secure-zip outer pockets:

Keep snacks, keys, and other small personal items easily accessible.

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All in one place:

External weightlifting belt attachment
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Designated shoe compartment:

Keep sweaty footwear.

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Easy to carry:

Padded straps for comfortable shoulder hold.
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CORE Duffel

Designed for weightlifters. Made for maxing.

(577)
$159.95

Highlights

Gear Patrol's Best Gym Bag of 2024Generation Iron Rated 'Best Powerlifting Gym Bag'Powerlifting Technique's Top Pick Best Gym BagUnique weightlifting belt attachment
Select Size:
Select Color:Black
Free, no-questions asked returnsMilitary & Emergency discount2-day shipping available (US only)Free US shipping over $149
  • External weightlifting belt attachment
  • 13/15” Internal laptop sleeve
  • Sealed internal shoe compartment
  • Dual bottle pockets 

Do you even lift? If so, meet your new favorite lifting partner. Say goodbye to your belt taking up precious space in your bag, with this unique and specially designed lifting belt attachment that ensures functionality isn’t compromised whatsoever. This beefed up duffel is made to store everything you need and support you every time you step into the gym. (Lifting belt sold separately).

Covered by our promise to be free of defects in material or workmanship within its practical lifetime. If there is a defect in materials or workmanship KNKG will repair or replace your bag, including free shipping.
Simply Amazing.Eben C.

“The bag is great! Feels well-made and durable. Got the belt to go with it and it fits perfectly without giving up any extra space.”

Extremely durable.Arie K.

The pockets are designed intelligently and make for excellent organization. Works best when you pair with the dividers. Highly recommend this bag!

Even Better than Expected.Karter C.

The bag feels extremely well made. The pockets are well placed and I love the location of the shoe/used gym clothes slot on the side.

Lifetime investment

When it comes to durable, high-quality materials we don’t mess around. The Core Duffel is built to last and follow you on your lifting journey.

4.8
Rated 4.8 out of 5 stars
Based on 577 reviews
Total 5 star reviews: 497 Total 4 star reviews: 69 Total 3 star reviews: 5 Total 2 star reviews: 2 Total 1 star reviews: 4
98%would recommend this product
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577 reviews
  • NL
    Nick L.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? CrossFit
    Using For: Gym Bag
    Rated 5 out of 5 stars
    Amazing bag!

    Plenty of space (I bought the largest duffle) and such great quality. The material is rugged, the zippers are smooth and there’s space for everything you need. Highly recommend!

    Was this helpful?
  • AS
    Agam S.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? Functional Circuit Training, CrossFit
    Using For: Gym Bag
    Rated 4 out of 5 stars
    Good bag; needs one thing to be great

    Nice bag. Right sized and appears to be well made. For it to be a proper gym bag, it needs vented external pockets to stash the sweaty clothes after the workout. The rest is pretty good

    Was this helpful?
  • WM
    William M.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? Weightlifting, Bodybuilding
    Using For: Gym Bag
    Rated 5 out of 5 stars
    Quality

    Excellent quality bag .. best gym bag I’ve seen.

    Was this helpful?
  • GP
    Glenn P.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? Weightlifting
    Using For: Gym Bag
    Rated 5 out of 5 stars
    Quality Bag

    Have not used it yet, but it seems like a strong bag. The belt holder is great and the shoes fitting vertically is a great touch.

    Was this helpful?
  • MS
    Mitchell S.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? Weightlifting
    Using For: Gym Bag
    Rated 4 out of 5 stars
    Core duffel review

    The bag helps me stay organized and I never have to dig for items with the dividers excellent customer service as well

    Was this helpful?
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FAQS

The main difference is the unique weightlifting belt attachment. This feature allows the bag be used as normal, while carrying a cumbersome lifting belt on the outside. Other changes are the volume (35L) and the layout.

Most of the materials are the same as used in other King Kong bags. YKK zippers, heavy duty buckles, nylon lining and webbing are all the same. In the CORE range, we have gone for a lighter 500D nylon outside and a new velcro logo feature that allows you to go 'incognito' with your own patches.

Measure the widest point of your belt and its length.

The CORE35 (medium) duffel can fit a belt up to 6.3"/16cm wide and 45.7"/116cm long.
The CORE51 (large) duffel can fit a belt up to 6.7"/17cm wide and 45.7"/116cm long.

A lever belt can fit, but you should count the lever into your measurement.

The CORE35 (Medium) will fit size 12 shoes. The CORE51 (Large) will fit size 15 shoes.