Configured for you
This drysuit is individually configured for each diver and cannot be purchased directly online. Final pricing depends on sizing, selected options and accessories.

Custom drysuit overview
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.
Information and enquiry
This drysuit is individually configured for each diver and cannot be purchased directly online. Final pricing depends on sizing, selected options and accessories.
Contact our team before ordering so we can confirm sizing, configuration and the appropriate fitting or measurement process for this model.
Most custom drysuits require approximately 8–12 weeks, subject to the selected configuration and current manufacturer schedule. Product-specific guidance below remains authoritative.
Informational price guidance
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.
Technical details
Configuration and upgrades
Product guidance
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.
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.
BIOMAP bespoke sizing is available as a $300 upgrade over the standard stock-size 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.
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?
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.