Neck Flex® Ballistic Bundle — at a glance
- What it is: the Ballistic Kevlar® Series Kit and the Revolver™ Rotation Kit shipped together in one parcel.
- In the box: Ballistic Kevlar® harness, Revolver™ rotation attachment, heavy-duty weight-lifting chain and carabiners, Bodylastics® 19 lb resistance band, Bodylastics® door anchor, Neck Flex tote bag, sticker, and instructional videos.
- Trains: neck flexion, extension, lateral flexion and loaded rotation — every plane the neck moves in.
- Loading: resistance bands, weight plates on the included chain, or a cable stack.
- Evidence: the Neck Flex is the head harness named in three peer-reviewed papers from a Royal Danish Air Force randomized controlled trial (BMC Musculoskeletal Disorders 2015 and 2017; Frontiers in Public Health 2020). In 2021 a federal court granted a preliminary injunction after finding a competitor's harness matched the Neck Flex "apparently even down to the stitching pattern." Full evidence profile · Neck Flex vs. Iron Neck.
- Made by: Gonza LLC, Leesburg, Virginia. Designed and engineered in the United States. Sold since 2012. Five U.S. patents.
This bundle includes both the Ballistic Kevlar® Harness Kit & The Revolver™ Rotation Kit.
All items are bundled together into a singular parcel, which saves you money on shipping costs.
The Neck Flex® Ballistic Kevlar® Series Bundle is the ultimate, indestructible cervical conditioning system. It pairs the top-of-the-line Ballistic Kevlar® Head Harness with the patented Revolver™ Rotation Attachment. By weaving genuine military-grade Kevlar® (10x stronger than steel) into a multi-patented frame that offers 360-degree friction-free rotational training, this premium bundle delivers an all-in-one platform for extreme durability and biomechanical performance.
Advanced Biomechanical Architecture Over Competitors
The Ballistic Bundle renders weaker, modified competitor units—like the Iron Neck Alpha Harness—completely obsolete. Independent video reviews from The Strength Classroom have visually demonstrated how alternative designs shift and twist under load due to flat, horizontal loops. The Ballistic Bundle eliminates these flaws entirely:
- True Rotational & Lateral Fluidity: Incorporates the Revolver™ Swivel Bearing for flawless, multi-axis 360° neck rotation under heavy stress. This replicates the performance of multi-thousand-dollar gym machinery.
- Anatomical Side Flexion: Features vertical "dog-ear" side D-rings that keep an exact line of pull during lateral (side) neck flexion, preventing the slipping common in competitor straps.
- Front Power Locking Strap: Keeps the entire harness anchored firmly to the head. This stops the unit from riding up or shifting into your eyes during deep flexion, rotation, or heavy plate-loaded extensions.
- Armor-Grade Strength: Built using premium diamond-embossed neoprene padding and bound with genuine Military Aramid Kevlar® thread to resist tearing under intense elite conditioning.
Who it is for
- Elite Concussion Prevention: Quickly builds dynamic neck stiffness to absorb, redirect, and block sharp rotational acceleration forces in high-impact sports (football, MMA, lacrosse, wrestling, BJJ).
- Extreme Hypertrophy & Bodybuilding: Supports heavy progressive plate loading to efficiently target the sternocleidomastoid and splenius capitis muscles for a thicker, alpha neck profile and an improved jawline.
- Clinical Rehabilitation & Posture Therapy: Offers physical therapists and chiropractors an unmatched system for non-axial, controlled joint mobilization to correct "Tech Neck" and treat severe whiplash.
What is Included in the Ballistic Bundle
- The Neck Flex® Ballistic Kevlar® Series Harness
- The Revolver™ Rotation Attachment (heavy-duty polished steel swivel)
- Heavy-Duty Weight Lifting Chain & Carabiners (for plate loading)
- Bodylastics® Patented 19 lb Resistance Band (with snap-reduction safety tech)
- Bodylastics® Door Anchor & Custom Neck Flex Tote Bag
