IA4K – 4 Gear Combo Kit

IA4K – 4 Gear Combo Kit

The IA4K pack system is the most  versatile  hunting pack system. This design is perfectly suited for the 5-7 day extreme backcountry hunting adventure. The seamless transition from  pack system  mode  to  day pack  mode  makes this system unparalleled in the market.

  • Triaxial  carbon fiber frame  (the foundation of our  system)
  • Total weight with Platypus Big Zip 1.5L Bladder &The Pannier Load Carrier 6.5 lbs.
  • Total frame weight 18 oz.
  • 4000  cubic inch capacity (expandable to 6500 cubic inch capacity utilizing “The Pannier Load Carrier”)
  • Made proudly in Idaho, USA

$639.95

Hip Belt Size *

In stock

IA4K Bag
Integrous Carbon Fiber Frame
The Pannier Load Carrier
1.5L Platypus Bladder
The Lid
Hip Belt
IA4K Bag
  • 500 D Cordura® & 400 D high density coated packcloth
  • Wedge-shaped designed bag to elevate loads to the optimal carrying positon
  • Two 19” vertical YKK waterproof zippers to allow for easy access to either side of bag with “no rattle” drawcord zipper pulls
  • Duraflex® hardware with 1" nylon flat weave webbing
  • One 13” x 5” horizontal pocket with YKK waterproof zipper
  • Two side expandable mesh pockets and one oversized external mesh pocket provides additional external storage
  • One 19” side pocket ideal for even the largest spotting scope
  • One 11” side pocket designed to handle tripod needs
  • 14 compression straps to support all load capacity needs (includes 4 lid straps)
  • Orange color-coded bar tack for easy buckle and accessory management
  • All bar tack utilizes “Lock stitching”
  • External molles to support any attachment needs
  • Oversized reflective hunter’s orange handle, allowing for easy identification in the dark
  • All internal edges of the pack are finished and bonded for the highest level of quality and durability
  • Made proudly in Idaho, USA
Integrous Carbon Fiber Frame
  • 3 years in development, 14 generations of design improvements to deliver simply the most comfortable suspension system on the market
  • Total frame weight 18 oz.
  • Triaxial carbon fiber resin-infused material with strategically placed reinforcement to deliver the highest strength to weight ratio
  • Perfectly balanced shape to deliver the most comfortable suspension on the market while carrying heavy or light loads. The contoured shape fits seamlessly in line with the natural curvature of your spine while spreading the weight out effortlessly into your hips
  • Slight “V” shape of frame parallels bag design creating a wedge shape to perfectly balance any load
  • Modular system utilizing triglides and 1” buckles allows the backcountry adventurer to secure any Initial Ascent bags to a single frame suspension
  • 3-point locking system designed to secure the shoulder straps to the frame is unmatched in the industry
  • 6 vertical adjustments allow for an exact fit regardless of your height or torso length
  • 2 load lifter adjustments strategically placed to maximize comfort under the most extreme loads with a goal to keep the crucial 25-35% angle
  • Made proudly in Idaho, USA
The Pannier Load Carrier
  • "The Pannier" Load Carrier is a crucial addition to our pack system. It allows the hunter to use the full pack system to haul camp in, and then seamlessly transition into day pack mode. “The Pannier” used along with the lid is designed for speed and agility by helping to carry only the essentials for a day hunt.  

    • Most advanced and versatile load carrier on the market 
    • Meat is securely between the frame and the main bag on the packout 
    • 6 compression straps to secure meat to the frame with an additional 4 lid straps to lock the heaviest of loads to the frame 
    • 2500 cubic inches of carrying capacity 
    • 1 oversized pocket providing 400 cubic inches combined with 450 cubic inches of lid storage allowing for 850 total cubic inches  
    • 2 - ¾" compression straps on the outside of "The Pannier" secures weapon or anything you want to carry outside the large pocket 
    • All bar tack utilizes "Lock Stitching" 
    • External molles to support any attachment needs, including IA weapon-specific carriers 
    • Orange color-coded bar tack for easy buckle and accessory management 
    • Made proudly in Idaho, USA 
1.5L Platypus Bladder

BIG ZIP™ LP

  • 1.5 Liter Low Profile
  • Wide-mouth opening with Slidelock™ closure eases filling and sealing reservoir
  • Low-profile design with center baffle helps reservoir ride flat in a pack
  • The Big Zip LP is taste-free, as well as BPA-free, BPS-free, and phthalate-free
  • Embedded silver-ion protects reservoir from mold and bacteria
  • Quick-release hose eases refilling reservoir; shutoff valve eliminates drips
The Lid
  • Large free-floating lid designed to support any size of load
    • Oversized storage compartment with waterproof YKK zipper allowing for quick, easy access while in the field
    • Our lid has a perfectly balanced water bladder storage compartment designed seamlessly with our partner Platypus® and their 1.5L Big Zip Low Profile Hydration System (optional)
    • Concealed pocket under lid which is ideal for hunting licenses and tags
    • Clip inside lid ideal for keys or extra headlamp
    • Made proudly in Idaho, USA
Hip Belt
  • Three-piece system designed with 1” Volara® close cell foam as well as an additional layer of “Smart foam” in the lumbar region. The lumbar system is designed to allow for adjustability by easy access to the foam insert providing complete customization dependent upon the user
  • We use “Slip-not” material on the lumbar region to make sure the pack system does not slide on your back even in the hottest environments with heavy loads
  • 3-D spacer mesh is utilized for added comfort and breathability
  • Our hip belt structure is heavily reinforced to support the toughest carrying conditions
  • Made proudly in Idaho, USA
SML
28"-32"33"-37"38"+

6 reviews for IA4K – 4 Gear Combo Kit

  1. Rated 5 out of 5

    Zach Diaz

    These packs are where it’s at I’ve had my IAK4 for a few months and have put many miles on it. I love how diverse the pack is, and how I was able to adjusted it to fit my long torso.
    The dudes at IA provide great customer service and really go the extra mile for you literally you cannot go wrong with Initial Ascent.

  2. Rated 5 out of 5

    TDouthit

    I love this pack. Plenty of space for your backcountry bivy hunt, easily broken down for your daily hunts and it’s attached to this best pack frame I’ve ever used. This unit was a vital part of packing in a camp and packing out 2 big bulls and 2 mule deer bucks. Dennis and Joe have placed countless hours in the trial of these packs and it paid off for me this year. The details of the bag are listed above and I’d challenge anybody to find a better bag on the market (to include customer service). Not only is this my go to hunting bag but if I were to deploy again it would go with me. This is a first class hunting pak system, backed by first class customer service.

  3. Rated 5 out of 5

    Jeff M

    I’ve used the IA4K for over a year now, and this pack system has satisfied nearly all of the needs I want in a pack. The versatility and comfort are unmatched. The features are very well thought out, and really provide a user friendly pack solution. Likely my favorite feature is integrated gun strap notch in the frame. It doesn’t sound like much, but it eliminates the distraction caused by wrestling with your gun sling while hiking. I also really like the water storage in the lid, the external tripod and spotter pockets, and the adjustment versatility. All in all, this is the one of the best designed packs on the market. And, at a little over 5 pounds for the whole kit, you are not sacrificing weight for functionality.

  4. Rated 5 out of 5

    Steven E

    This pack is amazing. I’ve tried several packs on the market, with each one having its ups and downs, but this pack changed everything for me. It is comfortable, light weight, and extremely versatile. These packs have changed the way I hunt and hike forever. If you haven’t tried one of these packs you don’t know what your missing.

  5. Rated 5 out of 5

    Brandon W

    This is the most thought out and complete system on the market! With the ability to go big at 6500ci and in less than 2 minutes I’m in day mode at 850ci, then I can be at an additional 2500ci in my load carrier faster than you can say “great shot”!! With a 1.5 liter Platypus bladder that fits perfectly in the lid there is never any squishing my bladder while carrying a load! F#%=ing Brilliant…..just saying!
    AKA- Pack Whore

  6. Rated 5 out of 5

    Chris Y

    Hands down the best pack system I have ever used. Doesn’t matter how much weight or how many miles you are going, I can guarantee performance and comfort!

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