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Tactical Athlete 35L Sack™ Backpack

5.0
Rated 5.0 out of 5 stars
36 Reviews
Regular price Regular price $124.99 CMBT Club price $112.49
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Shipping calculated at checkout.
  • Veteran Designed
  • Athlete Tested
  • Veteran Designed
  • Athlete Tested
  • Veteran Owned
  • Athlete Approved
Advanced Carry / Training Ready Bag
Built for training, travel, work, and everyday carry without needing multiple bags.
180° lay-flat opening with purpose-built organization for faster packing and easy access.
Expandable design with laser-cut MOLLE panels to customize your loadout as your needs change.
Reinforced construction, weather-resistant materials, and premium YKK® zippers built to endure daily abuse.

COLOR
SIZE
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TRAIN HARD.
carry SMART.
pack EVERYTHING.

The SACK™ 35L Backpack eliminates the need for multiple bags by combining gym, travel, work, and everyday carry into one adaptable system.

A full 180° lay-flat opening gives you instant access to your gear, while modular organization, laser-cut MOLLE panels, weather-resistant materials, genuine YKK® zippers, and reinforced construction are built to withstand years of hard use.

Wherever you're headed next, the SACK™ is designed to carry more, organize better, and perform without compromise.

  • 35L capacity for training, travel, and everyday carry
  • 180° full-zip clamshell design
  • Laser-cut MOLLE + hook-and-loop panels
  • Padded 17" laptop compartment
  • Advanced YKK® zippers + buckles
  • Weather-resistant performance shell
  • Reinforced handles & padded shoulder straps
  • Modular organization for gym, work, and field gear
  • WIPE CLEAN WITH A DAMP CLOTH
  • USE MILD DETERGENT WHEN NEEDED
  • AIR DRY ONLY — DO NOT MACHINE DRY
  • STORE DRY TO MAINTAIN MATERIAL PERFORMANCE

CMBT's fulfillment facility is located in Gainesville, GA (east coast). During the holiday season, please expect slight delays due to increased order volume. You will receive a notification once it has been fulfilled and on the way to you.

*orders placed on weekend will be accepted and processed on Monday

Combat Iron Fulfillment Hours Of Operation: Mon-Fri | 0800-1630

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Tactical Athlete 35L Sack™ Backpack

$124.99
TAN TOPOGRAPHY / 35L TACTICAL HAWAIIAN / 35L WOODLAND BDU CAMO / 35L BLACK / 35L BLACK BANDANA / 35L NIGHTFALL TIGER STRIPE CAMO / 35L AIRWALK / 35L
180° CLAMSHELL DESIGN

180° CLAMSHELL DESIGN

Complete visibility load out with lay-flat fully open zip.

Modular Organization

Modular Organization

Add extended Molle pouch, admin pouch and more.

LASER-CUT VELCRO™ MOLLE

LASER-CUT VELCRO™ MOLLE

Usable full size internal grid for advanced carry sbr ready.

Durable Weather Resistant

Durable Weather Resistant

Shield with rain / water-resistant shield icon

BUILT FOR EVERY TRAINING SESSION

35L Sack™ Backpack | Kalagush Edition - Combat Iron Apparel Co.

TACTICAL / OPERATOR READY

Purpose-built organization for range days, field work, EDC, and mission-ready loadouts.

WORKOUTS / GYM

Train without compromise.Separate dirty gear, shoes, shaker bottles, belts, sleeves, and accessories with fast 180° access between every session.

TRAVEL

Built for the next departure. Ideal carry-on size with dedicated tech storage, quick-access organization, and enough capacity for 2–3 day trips.

WORK & THE OFFICE

Professional outside // Tactical inside. A clean exterior hides a purpose-built organizational system for work, meetings, travel, and everyday carry.

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TACTICAL / FIELD USE

Durable materials and modular storage for demanding environments.

OVERNIGHT MISSIONS

Pack once. Go anywhere.Enough room for clothing, toiletries, tech, chargers, shoes, and daily essentials without hauling a full duffel.

SACK BRAND

35L TRAINING / TACTICAL PACK

[FIELD TESTED. OPERATOR APPROVED.]

01 HEAVY-DUTY COMPRESSION STRAPS
2" STRENGTH

HEAVY-DUTY COMPRESSION STRAPS

Oversized side compression straps secure your gear, reduce bulk, and keep the load stable whether the pack is half full or completely packed out.

02 PREMIUM YKK® HARDWARE
ALWAYS SECURE

PREMIUM YKK® HARDWARE

Equipped with genuine YKK® zippers and reinforced hardware for smooth operation and long-term reliability through everyday use and demanding conditions.

03 ORGANIZED ESSENTAILS
INTERNAL COMPARTMENTS

ORGANIZED ESSENTAILS

Maintain control of extras within your SACK due to internal pockets.

04 US MIL STYLE REINFORCED GRAB HANDLES
550 Cord

US MIL STYLE REINFORCED GRAB HANDLES

Multiple carry points make loading, unloading, and moving the pack effortless.

COMBAT IRON® CUSTOM

35L SACK BACKPACK

Everything on the 35L SACK™ Backpack is engineered for durability, comfort, and everyday performance—from heavy training sessions to travel and field use.

FEATURES + SPECS

SIZING 18" TALL / 9.5" DEEP / 12" WIDE
MATERIAL Premium 600D Nylon
FIT
2-3 Day
Overnight
Ideal Use Training • Travel • EDC
Hardware YKK® Zippers
ZIPPER PULLS Extended paracord zipper pulls for faster, more secure access.
STORAGE Multiple Interior + Exterior Compartments

upgraded durable YKK buckles

Ready for extended use / bag security. Upgraded to handle all-day use.

outdoor ready / weather resistant

Keep essentials dry and ready when needed with our weather resistant / outdoor ready shell.

NTERNAL CARRY READY

Full size, middle located compartment ready to mount a CCW, SBR, med kit and more.

35L vs. 50L Hybrid Duffle — Which One Is Right For You?

The 35L is your everyday workhorse—built for training, work, travel, and daily carry without unnecessary bulk. The 50L Hybrid Duffle is your all-in-one gear hauler when the mission demands more capacity. Designed with multiple carry options, it converts seamlessly between a traditional duffle and a backpack with removable shoulder straps, giving you the flexibility to carry it however the day demands.

mil style FEEL

mil style FEEL

600D Custom made fabric, proven for travel, day to day and intense training.

gym ready

gym ready

Designed to handle the intensity of training without compromising comfort.

double sewn seams

double sewn seams

Reinforced construction helps maintain fit through repeated wear and washing.

EVERYDAY VERSATILITY

EVERYDAY VERSATILITY

Clean, minimal design that transitions from the gym to everyday life with ease.

35L Kalagush Edition

faq's

Yes. The SACK™ 35L is designed to fit within most airline carry-on requirements, making it an ideal companion for business trips, weekend travel, and everyday adventures. We always recommend checking your airline's specific size restrictions before flying.
Yes! The material is lined with a waterproof layer, plus the exterior has water proof coating.
Absolutely. The SACK™ was engineered to eliminate the need for multiple bags. Its expandable storage, dedicated organization, and 180° lay-flat opening make it equally suited for training, work, travel, range days, and everyday carry.
YKK® is widely recognized as one of the world's leading manufacturers of premium zippers and hardware. Known for exceptional strength, smooth operation, and long-term reliability, YKK® components are trusted by many of the world's top outdoor, travel, and performance gear brands. Every SACK™ Backpack is equipped with genuine YKK® zippers to deliver dependable performance through years of daily use.
The 550 paracord-wrapped grab handles improve grip, comfort, and durability when carrying heavy loads. They provide a secure hold, withstand years of daily use, and reinforce the tactical heritage behind the SACK™ Backpack's design.
The 35L capacity is ideal for training, work, travel, and everyday carry. It easily fits a 17" laptop, gym gear, shoes, and several days of clothing. Need more room? The expandable design provides additional capacity, while 2" compression straps tighten the load to keep the bag stable and streamlined when fully or lightly packed.

STILL NEED HELP?

Our crew can help with fit, order questions, or product details before you buy.

CONTACT SUPPORT

is a different size right for you?

10L Compact

Tactical Athlete 10L Compact Backpack

  • 11″ H × 7.5″ W × 7″ D
  • 10-liter capacity
  • Everyday carry
  • GYM | WORK | GUN BAG
Shop 10L
VS
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OVERNIGHT | OVERSIZED

50L SACK DUFFLE BAG

  • 20″ H × 12″ W × 9″ D +
  • 50-liter capacity +
  • Multi-day trips
  • MULTI CARRY STYLES
Shop 35L
5.0
Rated 5.0 out of 5 stars
Based on 36 reviews
Total 5 star reviews: 35 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend these products
36 reviews
  • NH
    Nickolas H.
    Verified Buyer
    Reviewing
    Tactical Athlete 35L Sack™ Backpack TACTICAL HAWAIIAN / 35L
    I recommend this product
    Rated 5 out of 5 stars
    Dec 21, 2025
    Fuckin Noddy

    Great pack.... would like to see more ties for the loose straps. But great look, plenty of room, lots of compliments.

  • LI
    Lue I.
    Verified Buyer
    Reviewing
    Tactical Athlete 35L Sack™ Backpack WOODLAND BDU CAMO / 35L
    I recommend this product
    Rated 5 out of 5 stars
    Sep 6, 2025
    35L Sack Backpack

    Fast shipping, quality on point!

  • AR
    Adam R.
    Verified Buyer
    Reviewing
    Tactical Athlete 35L Sack™ Backpack
    I recommend this product
    Rated 5 out of 5 stars
    Jun 21, 2025
    Phenomenal bag

    Amazing bag, I can get a full watermelon, several celery stalks and a 3 pound bag of fruit home in it on my skateboard. High quality and looks impressive

  • ER
    Elvis R.
    Verified Buyer
    Reviewing
    Tactical Athlete 35L Sack™ Backpack WOODLAND BDU CAMO / 35L
    I recommend this product
    Rated 5 out of 5 stars
    Apr 27, 2025
    Awesome Backpack

    Awesome backpack! Tons of storage space, strong zippers, and the MOLLE webbing lets me add extra pouches easily. Love the velcro areas for patches. Looks tactical and feels durable.

  • BC
    Brad C.
    Verified Buyer
    Reviewing
    Tactical Athlete 35L Sack™ Backpack WOODLAND BDU CAMO / 35L
    I recommend this product
    Rated 5 out of 5 stars
    Apr 19, 2025
    Great bag! Just ordered the 50L duffle.

    Awesome company and great products! I have several shirts, shorts, ranger panties, and bags. I signed up for the membership and order from them regularly. Top quality products and a great veteran owned company!