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.

(627)
$169.95

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 627 reviews
Total 5 star reviews: 542 Total 4 star reviews: 74 Total 3 star reviews: 5 Total 2 star reviews: 2 Total 1 star reviews: 4
98%would recommend this product
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627 reviews
  • NM
    Naomi M.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? Weightlifting, Bodybuilding, Other
    Using For: Gym Bag, Sport / Fitness, Every Day Carry, Work
    Rated 5 out of 5 stars
    THE Bag!

    This is the best bag I own! I am a collector of bags and duffels each of which serve a specific purpose. I own two KNKG duffels and their corresponding dividers. They are great for traveling and especially helpful for packing military gear. I love them so much I gifted one to my man because he had a terrible gym bag. We are avid bodybuilders so we have a ton of gear and supplements. 12/10 recommend

    Was this helpful?
  • RC
    Resty C.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? CrossFit, Weightlifting
    Using For: Gym Bag
    Rated 5 out of 5 stars
    KNKG

    It’s been Great since I got it!!! Been using it on my daily Gym routine yessahhh

    Was this helpful?
  • KD
    Kent D.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? Weightlifting, Bodybuilding, Other
    Using For: Gym Bag, Sport / Fitness, Every Day Carry
    Rated 5 out of 5 stars
    Dope. Super awesome to use.

    I keep a bench board foam pad, 2 pairs of knee sleeves, ammonia, wrist wrap/, bands, straps, a 48 oz yeti, and 2 belts plus a self defense item in the shoe compartment. This bag with dividers makes life very easy in the gym.

    Was this helpful?
  • CD
    Christian D.
    Verified Buyer
    I recommend this product
    What type of training is your KNKG bag supporting you with? Weightlifting, Bodybuilding, Other
    Using For: Gym Bag, Sport / Fitness, Every Day Carry
    Rated 5 out of 5 stars
    Blown Away!!!

    13 shoes—a rarity in many duffel bags. This compartment keeps my shoes separate from the rest of my gear, ensuring cleanliness and organization. The bag’s design is both functional and stylish. It includes dual bottle pockets, an internal laptop sleeve suitable for most laptops, and an external weightlifting belt attachment that saves internal space. Moreover, its dimensions make it compliant with most airline carry-on size restrictions, making it perfect for short trips or as an in-flight personal item. Overall, the KNKG Core Duffel combines durability, functionality, and style, making it an excellent investment for anyone on the go.

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  • FH
    Fred H.
    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
    perfect gym bagf

    everything i had hoped for.

    a real beauty.

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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.