The Fourth Element Argonaut 3.0 Flex Drysuit is built entirely from Flex Polyester Trilaminate, engineered for outstanding durability and comfort without sacrificing flexibility. Originally developed from military-grade fabric technology, the Flex material incorporates a flexible butyl layer to provide rugged protection while remaining comfortable throughout long dives.
Available as either a stock-size suit or upgraded with Fourth Element BIOMAP bespoke sizing, the Argonaut 3.0 Flex can be configured with a wide range of factory options including silicone seal systems, wrist ring systems, balanced P-Valves, boot configurations and other technical upgrades.
Stock suits start from AUD $4,199. BIOMAP bespoke sizing is available as an optional upgrade for AUD $300. Final pricing depends on your selected configuration and factory options.
Custom Configuration
Typical Argonaut Configuration & Options
Final pricing depends on sizing method, configuration and selected optional extras. The guide below shows common Fourth Element Argonaut options so you can understand how a drysuit order is typically built.
Argonaut 3.0 Flex Stock Suit
Starting price applies to the Argonaut 3.0 Flex stock-size suit before BIOMAP bespoke sizing, fitted options or optional accessories.
4199
BIOMAP Bespoke Sizing
Upgrade from a stock-size suit to Fourth Element BIOMAP bespoke sizing. BIOMAP creates a made-to-measure drysuit profile based on a guided photographic sizing process, allowing the suit to be built around your body shape rather than selected from standard sizing.
300
Neck Seal Options
Standard configuration includes a latex neck seal. Optional upgrades include the Si-Tech Silicone Neck Seal System for quick seal replacement and improved serviceability.
209
Wrist Seal / Ring System Options
Choose from neoprene wrist seals, Ellipse changeable silicone wrist seals, PSI Press Lock wrist ring system or Si-Tech QCP wrist ring system depending on comfort, dry glove compatibility and serviceability requirements.
From 259
P-Valve Installation
Balanced P-Valve options are available, including Si-Tech Trigon, Fourth Element / Light Monkey and Halcyon Balanced P-Valves. Final pricing depends on selected valve and installation requirements.
From 289
She-P System
She-P 3.0 Blue Complete Kit can be supplied as an optional extra for compatible P-Valve use. Suit configuration and installation requirements should be confirmed before ordering.
550
Boots or Socks
Choose from Fourth Element Argonaut boot and sock options, including compressed neoprene dry boots or compressed neoprene socks depending on your preferred fin setup and diving environment.
Included
Additional Factory Options
Additional fitted options may be available on request, including valve placement, pocket configuration, seal systems and other Argonaut factory options. Contact us for a personalised configuration quote.
On Request
Technical Specifications+
Suit Material
Flex Polyester Trilaminate throughout the entire drysuit.
Fabric Construction
Specially engineered Flex Polyester Trilaminate developed for durability and comfort. Originally designed for military use, the fabric incorporates a flexible butyl layer to provide rugged protection without becoming rigid.
Drysuit Type
Configurable trilaminate drysuit available as a stock-size suit or BIOMAP bespoke drysuit.
Fabric Design
The entire suit is constructed using Fourth Element's Flex Polyester Trilaminate for maximum durability, long-term comfort and rugged cold-water performance.
Recommended Diving
Recreational, technical, shore, wreck and cold-water diving.
Best For
Divers wanting the most durable Argonaut configuration with exceptional comfort for frequent cold-water and technical diving.
Sizing Options
Available as a stock-size suit or as a BIOMAP bespoke drysuit built from a digital sizing profile.
Colour Options
Available in Fourth Element Argonaut Flex colour configurations. Final available colourways depend on factory options and current supply.
Pocket System
Two large Argonaut cargo pockets are included as standard, with internal bungee loops, wetnotes storage and practical technical-diving organisation.
Typical Lead Time
Lead time depends on stock availability, BIOMAP processing, selected configuration and Fourth Element production schedules.
Warranty
Manufacturer warranty applies to materials and workmanship. Individual components such as valves, zippers and seal systems are covered under their respective manufacturer warranties.
Brand
Designed by Fourth Element as part of the Argonaut 3.0 drysuit platform.
Standard Configuration & Available Upgrades+
Entry System
Front-entry waterproof zipper with ergonomic Argonaut pattern for unrestricted movement and comfort.
Inflation Valve
Available with standard inflation valve configuration. Alternative valve configurations may be selected during the ordering process.
Exhaust Valve
Standard automatic exhaust valve with optional DIR/GUE-style positioning available on request.
Neck Seal
Standard configuration includes a latex neck seal. Optional Si-Tech silicone neck seal system is available for quick seal replacement.
Wrist Seal System
Available with neoprene wrist seals, Ellipse silicone wrist seals, PSI Press Lock wrist rings or Si-Tech QCP wrist ring systems.
Boots / Socks
Choose compressed neoprene dry boots or compressed neoprene socks depending on your preferred fin setup and diving style.
Technical Cargo Pockets
Two large Argonaut cargo pockets are supplied as standard. Pocket configuration can be customised during ordering.
Internal Suspenders
Internal suspenders are included for improved comfort and easier suit management between dives.
Included Accessories
Included accessories depend on the selected configuration and factory package supplied by Fourth Element.
Colour Configuration
Available in Fourth Element Flex colour configurations. Available colourways depend on current factory production.
Stock Suit vs BIOMAP
Stock suits follow standard Fourth Element sizing. BIOMAP bespoke sizing creates a made-to-measure suit using Fourth Element's digital photographic sizing system.
Factory Configuration
Every Argonaut drysuit is individually configured before production. Optional upgrades include BIOMAP sizing, seal systems, wrist ring systems, P-Valves, boot configuration and other factory options.
FAQ
Argonaut 3.0 Flex FAQ
What is the difference between Stock Suit and BIOMAP bespoke sizing?
A Stock Suit is built to Fourth Element's standard sizing, while BIOMAP bespoke sizing creates a made-to-measure drysuit using a guided photographic sizing process.
Why choose the Argonaut 3.0 Flex?
The Argonaut 3.0 Flex is built entirely from Fourth Element's rugged Flex Polyester Trilaminate. Originally developed for military applications, it delivers exceptional durability, comfort and long-term performance while maintaining flexibility.
How much does BIOMAP bespoke sizing cost?
BIOMAP bespoke sizing is available as a $300 upgrade over the standard stock-size Argonaut 3.0 Flex.
What upgrades are available for the Argonaut 3.0 Flex?
Popular upgrades include BIOMAP bespoke sizing, silicone neck seal systems, wrist ring systems, balanced P-Valves, She-P systems and additional factory configuration options.
Who is the Fourth Element Argonaut 3.0 Flex designed for?
The Argonaut 3.0 Flex is ideal for divers who prioritise durability, comfort and dependable long-term performance for regular cold-water, shore and technical diving.
Need Help Configuring Your Argonaut?
Request a Personal Drysuit Quote
The Argonaut 3.0 Flex can be configured as a stock-size suit or upgraded to BIOMAP bespoke sizing. Contact our team for personalised advice on sizing, factory options and the best configuration for your diving.
