Fourth Element Argonaut Hybrid Drysuit – Medium

$2,231.00

Availability: 1 in stock

Category: Brand:

Custom size. Please see tag in the image before checking out. It should fit very similar to an off the shelf medium. SI Tech P-valve pre-installed.

The Fourth Element Argonaut Stealth Hybrid 2.0 is a premium, high-performance membrane drysuit designed specifically to blend maximum upper-body mobility with extreme lower-body durability. It achieves this by combining two distinct trilaminate materials: a lightweight, supple Stealth (Nylon) trilaminate on the torso and arms, and a rugged Flex (Polyester) trilaminate on the legs and lower body. 

The latest model is the Argonaut 3.0 Stealth Hybrid (priced between $3,599 – $3,999 depending on specific configurations).
Material Configuration
    • Torso & Arms (Stealth Fabric): Thin, lightweight, and slightly stretchy nylon trilaminate. It provides an exceptional, unrestricted range of motion. This makes it significantly easier to perform valve drills, reach behind your head, or maneuver in tight cave/wreck environments. 
    • Legs & Lower Body (Flex Fabric): A highly durable, military-grade polyester trilaminate. It offers superior resistance against cuts, snags, and heavy abrasion. This is ideal for crawling through restrictive spaces or executing rough shore entries. 

Key Features of the Argonaut 3.0
  • Articulated for Trim (AFT): The legs and knees are pre-bent and patterned to naturally follow a horizontal diving trim. This reduces fabric bunching, eliminates knee restriction, and lets your legs relax into proper positioning. 
  • Bespoke BIOMAP® Sizing: Every Argonaut suit is fully made-to-measure. It utilizes a unique 3D photogrammetry body-mapping system that allows a precise fit built from just two photos taken on a specialized footplate. 
  • Diagonal YKK Aquaseal Zipper: A lightweight composite cross-chest zipper that runs from the right shoulder to the left hip. This improves ease of self-donning and allows smoother gas management when venting the left shoulder valve. 
  • Massive Thigh Pockets: Dual 3.5-liter bellows pockets come standard. Each includes internal wet-note sleeves, dual bungee loops, a D-ring, and an additional outer zippered pocket on the flap. 
  • Telescopic Torso: A streamlined silhouette featuring internal adjustable braces and an elasticated crotch strap to minimize underwater drag while maximizing flexibility when bending over.

🤿 Certification & Inspection Report

  • Date of Inspection: 7/3/26

  • Inspected By: Divers Tech Service

  • Parts Replaced: none. Seals passed integrity testing

  • Current Bench Test: Fully leak tested

🔍 Visual Condition Notes

  • This dry suite show little no signs of use. Suspect that this may never have actually been used for a single dive.

📦 What is Included

  • Fourth Element Argonaut Stealth Hybrid Custom Size. 
    ✅ 6 Month Full Warranty
    ✅ Free Parts on your first Annual Service
    ✅ 10% off Annual service for life
    Please see Terms and Conditions that apply.

🛡️ The Descend Again Guarantee Every piece of certified equipment has been fully rebuilt and thoroughly tested. We offer a [30-day] return window if the equipment does not match this inspection report.

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Weight 11 lbs
Dimensions 19 × 11 × 14 in
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