CORE Duffel Waxed Canvas Medium 35L

4.8
Rated 4.8 out of 5 stars
4.8 Stars (761 Reviews)
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WOODLAND CAMO WAXED CANVAS DUFFEL

WAXED. WEATHERED. UNCOMPROMISING.

The CORE Duffel is built tough - with a water-resistant waxed canvas exterior inspired by the rugged, resilient spirit of the West. Over time, waxed canvas develops a vintage look, picking up the marks of your journey and building character with every use.

The unique external belt attachment keeps your lifting belt secure on the outside, freeing up valuable space inside the bag. With smart storage throughout, it’s made to back you through training, travel, and everything in between.

Featuring:

  • Water-resistant Scottish waxed canvas from Halley Stevenson.
  • Genuine Cow leather logo patch and zipper pulls.
  • External weightlifting belt attachment.
  • 13” internal laptop sleeve.
  • Sealed internal shoe compartment.
  • Dual bottle pockets. 
  • Packed in a sturdy keepsake box - perfect for gifting.
  • Genuine leather wallet & keyring included - Limited time only.

(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.

KNKG bags are built to go the distance. Every piece is engineered with quality materials, precision craftsmanship, and real-world testing - so you can pack it to the brim without worrying about rips or failure.

This version of the CORE Duffel features a waxed canvas body - an ultra-durable cotton canvas impregnated with wax for water resistance. Waxed canvas develops a rugged, lived-in look over time, with marks and creases that add to its character. It delivers the same proven longevity as our ballistic materials, with a vintage feel that gets better the harder you use it.

This CORE Duffel is made from:
• Water-resistant Scottish waxed canvas from Halley Stevenson (cotton, waxed finish)
• Genuine Cow leather logo patch & zipper pulls
• YKK zippers
• Powder-coated steel buckles
• Ripstop nylon lining
• Nylon webbing

NOT JUST DURABLE - DEPENDABLE
Built with a water-resistant waxed canvas shell, this limited edition CORE Duffel is crafted for those who aren't afraid to roll up their sleeves and get the work done. Every crease, mark, and scuff tells the story of work put in and limits pushed.

No shortcuts. No excuses. Just a bag that shows up like you do.

BUILT TO GO THE DISTANCE
Waxed canvas isn’t just for looks. It’s a proven material trusted for over a century. Water-resistant, tough by nature, and built to age with character. This isn’t a trend piece. It’s a workhorse built for the grind.
CORE DUFFEL
SIZE COMPARISON
Capacity
Bag Weight
Height (H)
Width (W)
Depth (D)
Shoe Storage
Laptop Sleeve
Lifting Belt Size
MINI
15 L / 4 GAL
0.6 kg / 1.3 lbs
23cm / 9.1"
38cm / 15"
18cm / 7.1"
Not recommended
iPad
KNKG Belt
MEDIUM
35 L / 9.2 GAL
0.8 kg / 1.8 lbs
28cm / 11"
45cm / 17.7"
28cm / 11"
Size 10
Up to 13"
6.3" (W) - 45.7" (L)
LARGE
51 L / 13.4 GAL
1 kg / 2.2 lbs
32cm / 12.6"
50.8cm / 20"
32cm / 12.6"
Size 13
Up to 15"
6.7" (W) - 51.5" (L)
Capacity
Bag Weight
Height (H)
Width (W)
Depth (D)
Shoe Storage
Laptop Sleeve
Lifting Belt Size
MINI
15 L / 3.96 GAL
0.6 kg / 1.3 lbs
23cm / 9.1"
38cm / 15"
18cm / 7.1"
Not recommended
iPad
KNKG Belt
MEDIUM
35 L / 9.2 GAL
0.8 kg / 1.8 lbs
28cm / 11"
45cm / 17.7"
28cm / 11"
Size 10
Up to 13"
6.3" (W) - 45.7" (L)
LARGE
51 L / 13.4 GAL
1 kg / 2.2 lbs
32cm / 12.6"
50.8cm / 20"
32cm / 12.6"
Size 13
Up to 15"
6.7" (W) - 51.5" (L)
PACKAGED WITH PURPOSE
This isn't your average unboxing. Our limited edition Waxed Canvas Collection comes packaged in a premium keepsake box - making it the perfect gift or collector’s piece. For a limited time only, each set includes a genuine leather wallet and keyring.

FAQS

The main difference is the unique external weightlifting belt attachment - letting you carry your belt on the outside without sacrificing internal space. This version also features a 35L capacity and a reworked layout for streamlined storage. It's built from waxed canvas, a water-resistant cotton material that develops a rugged, vintage look with use - making it as tough as it is timeless.

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.

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

The CORE35 (Medium) will fit size 10 shoes.

4.8
Rated 4.8 out of 5 stars
Based on 761 reviews
Total 5 star reviews: 659 Total 4 star reviews: 81 Total 3 star reviews: 7 Total 2 star reviews: 3 Total 1 star reviews: 11
97%would recommend these products
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761 reviews
  • JH
    Joshua H.
    Verified Buyer
    Reviewing
    CORE Duffel Mini 15L
    I recommend this product
    What type of training is your KNKG bag supporting you with? CrossFit
    Using For: Work
    Rated 5 out of 5 stars
    Love this bag!

    I had been using a back pack for work for many years. I’ve needed to bring clothes to work as occasionally I’m stuck on call and need a change of clothes and bathroom supplies. This bag is perfect for all my needs! Also compresses and fits in my skinny locker!

  • JA
    Jason A.
    Verified Buyer
    Reviewing
    CORE Duffel Large 51L
    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
    Great for competitive powerlifting

    I like this bag for the organization aspect. Everything fits well and you can get to what you need at the gym or at a powerlifting meet. I don’t have to search for something. It is right where it should be located. Carrying 2 belts, wraps, sleeve, and all the extra…it all fits well into the bag

  • AB
    Adam B.
    Verified Buyer
    Reviewing
    CORE Duffel Waxed Canvas Medium 35L
    I recommend this product
    What type of training is your KNKG bag supporting you with? Weightlifting, Bodybuilding
    Using For: Gym Bag, Every Day Carry
    Rated 5 out of 5 stars
    Best one yet

    My second duffle, bought this one to go along with my large duffle I’ve been using for years. The dark waxed canvas looks amazing, makes me wish I bought the camo ones as well.

  • JS
    Jerod S.
    Verified Buyer
    Reviewing
    CORE Duffel Large 51L
    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
    The GOAT

    This bag is the best I've ever owned. Plenty of room - but also functions better than any other bag out there. I'm a "get ready at the gym guy" and this makes my mornings a breeze.

  • JR
    Joseph R.
    Verified Buyer
    Reviewing
    CORE Duffel Large 51L
    I recommend this product
    What type of training is your KNKG bag supporting you with? Other, Bodybuilding, Functional Circuit Training
    Using For: Work, Every Day Carry, Sport / Fitness, Gym Bag
    Rated 5 out of 5 stars
    Best everyday gym/work bag

    As an active duty service member I often carry a lot of gear. After a few weeks of use I can say that it holds up well and has enough space for everything I need. Amazing quality and durability!