IA4K – 2 Gear Combo Kit

The IA4K is the most  versatile  hunting pack system on the market. This design is perfectly suited for the 5-7 day extreme backcountry hunting adventure.

  • Triaxial  carbon fiber frame  (the foundation of our  system)  
  • Total pack system weight 5.6 lbs. 
  • Total frame weight 18 oz.  
  • 4000  cubic inch capacity
  • Made proudly in Idaho, USA 


Hip Belt Size *

IA4K Bag
Integrous Carbon Fiber Frame
Shoulder Harness
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
Shoulder Harness
  • Made with Volara® Closed Cell foam, ideal for backcountry hunters to provide extreme, all-day comfort
  • Shoulder straps are reinforced with a heavy bar tack through the entire shoulder strap and foam system to guarantee no fabric rolling under the most demanding loads
  • 2 D-rings for accessory attachments
  • 1” sternum strap designed for easy operations with any glove size
  • Right and left water bladder tube lock downs to suite your individual needs
  • 3-D spacer mesh in conjunction with frame design allows for optimal airflow keeping your back cool
  • Load lifter adjustments allow the user to transfer weight from shoulder straps to the hips where it belongs
  • Made proudly in Idaho, USA
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


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