Learn about the custom-fit Fourth Element Argonaut 2.0 drysuit, its BIOMAP® measurement process, customization options, ordering in store or from home, and lead time.

The Fourth Element Argonaut 2.0 is a made-to-measure drysuit, custom-built to your measurements for a personalized fit. It uses Fourth Element&#x2019;s BIOMAP&#xAE; system to create a suit pattern for you, with a focus on mobility, streamlining, and comfort.<h2 id="customization-options">Customization options</h2>You can choose options including wrist and neck seals, dump and inflate valves, boots, pockets, and a P-valve. The suit also comes with an Argo Dry Bag, changing mat, a choice of neoprene hood, talcum powder, a field repair kit, a drysuit feed hose, and silicone zip lube.<h2 id="ordering-in-store">Ordering in store</h2>Our team can take your BIOMAP&#xAE; measurements in store and help you customize your suit using the online drysuit designer. Wear or bring a Fourth Element J2 set or a thin base layer for the best measurement results. No appointment is needed, but please allow extra time for the measurement and design process.<h2 id="ordering-from-home">Ordering from home</h2><ol><li>Use the <a href="https://www.fourthelement.com">Fourth Element Drysuit Designer</a> to customize your suit, then save a screenshot of your selected specification.</li><li>Email the screenshot and your shipping address to <a href="mailto:support@mikesdivestore.com">support@mikesdivestore.com</a>. The team will send you a BIOMAP&#xAE; measuring kit and an invoice.</li><li>Follow the kit instructions to take your measurement images. Clear, high-quality images help provide accurate measurements.</li><li>Book a video consultation with the team to review your order, upload your images, and confirm your specification. You can make final changes during the consultation.</li></ol>Your completed suit can be shipped to you or collected in store. The team will provide updates during the process.<h2 id="lead-time-and-pricing">Lead time and pricing</h2>Made-to-measure suits can take up to 12 weeks to complete. The actual lead time may vary. Pricing depends on your customization choices, so contact the team for a quote after you have selected your specification.<h2 id="questions-about-your-argonaut">Questions about your Argonaut?</h2>Contact our team at <a href="mailto:support@mikesdivestore.com">support@mikesdivestore.com</a> for help with measurements, customization, pricing, or placing your order.

Made-to-Measure Drysuits: Fourth Element Argonaut 2.0

The first thing to consider is whether you want a Membrane (Trilaminate) Suit or a Neoprene Suit - you can find out more about the difference between the two in our guide here.
Once you've brushed up on your knowledge of the different types of suits

Context Use this when a customer asks for advice on choosing a drysuit, what to look for, or which drysuit might suit them. The AI should provide a friendly, accessible overview of the key considerations without overwhelming the customer. If the customer asks follow-up questions or provides more detail about their needs, the AI should go deeper on the relevant topic. Only offer to pass to an agent if the customer wants personalised specialist advice or is ready to discuss a specific suit.Do not serve the full Help Centre article &#x2014; use it as background knowledge only. Keep responses conversational and tailored to what the customer is actually asking. If&#x2013;Then Logic 1. Opening overview If A customer asks about choosing or buying a drysuit Then Provide a friendly accessible overview (send verbatim): Choosing a drysuit is one of the most important kit decisions you&apos;ll make as a diver &#x2014; and there&apos;s a lot to consider! Here are the key things to think about: &#x1F539; Suit type &#x2014; the first big choice is between a membrane (trilaminate) suit and a neoprene suit. Membrane suits are lightweight and versatile; neoprene suits offer built-in thermal protection. &#x1F539; Fit &#x2014; drysuits come in off the peg, customised, or made to measure. Getting the right fit is crucial for comfort and warmth. &#x1F539; Zip style &#x2014; rear zip or front diagonal zip, each with pros and cons for flexibility and independence. &#x1F539; Seals &#x2014; neoprene, latex, or silicone at the wrists and neck, each with different comfort and maintenance levels. &#x1F539; Boots &#x2014; integrated rubber boots or neoprene socks with separate boots. Is there anything specific you&apos;d like to know more about, or would you like help narrowing down the right suit for you?2. Going deeper &#x2014; suit type If The customer asks about membrane vs neoprene suits Then Explain the difference: Membrane (trilaminate) &#x2014; lightweight, packable, relies on undersuit for warmth, versatile across water temperatures, easier to repairNeoprene &#x2014; built-in insulation, warmer in itself, heavier, more buoyant, better for consistently cold waterOffer to help them decide based on where and how they dive. 3. Going deeper &#x2014; fit If The customer asks about sizing or fit options Then Explain the three options: Off the peg &#x2014; standard sizes, good value, widely available, best for standard body shapesCustomised &#x2014; minor modifications to a standard size (arms, legs, boots, seals), costs a little more, takes longer, note that customised suits cannot be returnedMade to measure &#x2014; tailor made to exact measurements, best fit possible, most expensive, longest lead time, maximum flexibility on componentsRecommend a fitting session for any customer considering a significant investment. 4. Going deeper &#x2014; zips If The customer asks about zip types or placement Then Explain: Brass zip &#x2014; traditional, cheaper, stiff, requires regular cleaning and lubrication, less flexibleComposite zip &#x2014; lightweight, flexible, easier to maintain, costs moreRear zip &#x2014; traditionally more flexible suit body but requires assistance to open and closeFront diagonal zip &#x2014; self-sufficient entry and exit, composite zips have largely solved the old flexibility issues5. Going deeper &#x2014; seals If The customer asks about seals Then Explain: Neoprene seals &#x2014; comfortable, durable, minor water entry possibleLatex seals &#x2014; stretchy, watertight, can feel tight when new, deteriorate over time if not maintainedSilicone seals &#x2014; best of both worlds, comfortable and flexible, require a mounting ring, easy to replace if damaged, do not deteriorate like latex6. Going deeper &#x2014; boots If The customer asks about boots Then Explain: Integrated rubber boots &#x2014; tough, good tread, simple, no extra kit neededNeoprene socks &#x2014; lighter, allow choice of over-boot style (neoprene or canvas). Note: neoprene socks are thick and most standard neoprene boots will not fit over them &#x2014; customers should check boot compatibility before purchasing7. Offer agent if needed If The customer wants personalised recommendations, is ready to discuss a specific suit, or wants to arrange a fitting session Then Offer to pass to an agent (send verbatim): It sounds like you&apos;re getting close to making a decision &#x2014; our specialists would love to help you find the perfect suit. Would you like me to pass you to one of the team, or would you prefer to arrange a fitting session in our store to try some suits on? Either way we&apos;ll make sure you get the right one!If The customer is happy to continue browsing or has no further questions Then Keep the ticket and close warmly (send verbatim): Hope that helps &#x2014; drysuits are a big investment so it&apos;s worth taking the time to get it right. If any more questions come up as you&apos;re researching, just give us a shout and we&apos;ll be happy to help!Agent snippets Opening overview (send verbatim) Choosing a drysuit is one of the most important kit decisions you&apos;ll make as a diver &#x2014; and there&apos;s a lot to consider! Here are the key things to think about: &#x1F539; Suit type &#x2014; the first big choice is between a membrane (trilaminate) suit and a neoprene suit. Membrane suits are lightweight and versatile; neoprene suits offer built-in thermal protection. &#x1F539; Fit &#x2014; drysuits come in off the peg, customised, or made to measure. Getting the right fit is crucial for comfort and warmth. &#x1F539; Zip style &#x2014; rear zip or front diagonal zip, each with pros and cons for flexibility and independence. &#x1F539; Seals &#x2014; neoprene, latex, or silicone at the wrists and neck, each with different comfort and maintenance levels. &#x1F539; Boots &#x2014; integrated rubber boots or neoprene socks with separate boots. Is there anything specific you&apos;d like to know more about, or would you like help narrowing down the right suit for you?Offer agent (send verbatim) It sounds like you&apos;re getting close to making a decision &#x2014; our specialists would love to help you find the perfect suit. Would you like me to pass you to one of the team, or would you prefer to arrange a fitting session in our store to try some suits on? Either way we&apos;ll make sure you get the right one!Warm close (send verbatim) Hope that helps &#x2014; drysuits are a big investment so it&apos;s worth taking the time to get it right. If any more questions come up as you&apos;re researching, just give us a shout and we&apos;ll be happy to help!

What to consider when buying a Drysuit

Dry Glove systems have been around for a little while now but its only in the last year or so that they have become A) Easy to use and B) Able to be retrofitted to most suits.
Will Dry Gloves fit on my suit?
To answer this question it is best to exam

Dry Glove systems have been around for a little while now but it&apos;s only in the last few years or so that they have become A) Easy to use and B) Able to be retrofitted to most suits. <h2 id="will-dry-gloves-fit-on-my-suit">Will Dry Gloves fit on my suit?</h2>To answer this question it is best to examine the information below but here is a short breakdown;<ul><li>Both Systems can be fitted without suit modification to existing Latex / Silicone</li><li>Neither system can be fitted to Neoprene seals without suit modification (Cutting and glueing)</li></ul>&#xA0;<h2 id="the-ultima-system">The Ultima System</h2>From the great brand Waterproof this system is designed to be really simple and straightforward, You can also fit this on to pretty much any suit that has existing Latex or Silicone seals on without having to cut or glue your suit - Clever!Unfortunately, if you have Neoprene Seals you&apos;ll struggle to get the Ultima on your suit without getting the seals changed to Latex or Silicone.If your suit just has the standard latex seals attached to it you can still get the Ultima system installed and with a backup silicone wrist seal in case of a punctured glove the entire suit will not flood, You&apos;ll just have a cold hand instead! See below video on how to accomplish this;&#xA0;<h2 id="the-kubi-system">The Kubi System</h2>The Kubi Dry Glove System is a marvellous invention which again is very easy to use and can be fitted to pretty much any suit with Latex or Silicone Seals, see video below for a how-to;Unfortunately for Neoprene Seal owners, you would need to get the seals changed or the Kubi Rings glued into your suit for this to work.The Kubi System does come in three different ring sizes (80mm, 90mm and 100mm) - to find out which size you&apos;ll need please check the <a href="https://cdn.shopify.com/s/files/1/0283/6108/files/Kubi_Measurement_Instructions.pdf?5479459102768658527" rel="noopener" target="_blank">size guide</a>

Dry Glove Systems

How to choose an undersuit for drysuit diving?
Picking the best choice of undersuit or combination of layers and thicknesses for the water temperature you will be diving in will make a massive difference to your enjoyment of the dive.
Unfortunately,

<h2 id="how-to-choose-an-undersuit-for-drysuit-diving">How to choose an undersuit for drysuit diving?</h2>Picking the best choice of undersuit or combination of layers and thicknesses for the water temperature you will be diving in will make a massive difference to your enjoyment of the dive.Unfortunately, because there are so many variables involved there is no hard and fast rule or formula for how to choose the best undersuit as every diver and every dive is different. Things like your physical condition, body composition drysuit materials and how hard you work during a dive can all affect how tolerant you are to temperature changes. The best advice must always be considered alongside your own knowledge of how you react to different temperatures.&#xA0;<h2 id="a-little-knowledge">A Little Knowledge...</h2>So, what keeps you warm whilst diving in a drysuit? For the most part it is the air that is sealed within your suit and to a lesser degree the materials that your drysuit and undersuit are made of. In theory, the more air you trap the better the insulation but trapped air spaces are not a divers friend. Air has a nasty habit of compressing and expanding as the pressure (depth) changes as well as being buoyant in water, so whilst the theory is that more air equals warmer the real-world practicality is that more air means more weight to compensate the buoyancy on the surface and a greater buoyancy fluctuation as you get deeper.So, the perfect undersuit needs to be a balance between warmth, bulk, buoyancy and compression. A tall order perhaps but don&#x2019;t forget that the answer doesn&#x2019;t necessarily have to reside in just one product.&#xA0;<h2 id="layering-up">Layering up!</h2>Going straight for the thickest undersuit for winter diving isn&#x2019;t necessarily the best option. There are big advantages to opting for a combination of layers. Having a range of different thickness garments will allow you mix and match to achieve the best choice for your dive but it will also allow you to tailor your final system for best performance.The layer in contact with your skin needs to do a particular job. Even when you are relaxed, calm and comfortable your body sweats so your undersuit needs to be able to move this moisture away from the skin to prevent you becoming damp and cold. Most undersuits use materials that are fast wicking but base layers such as the Fourth Element Drybase or J2 Baselayer are ideal as they have been specifically designed to achieve this.Something to bear in mind is that cotton is terrible at wicking moisture. It will just get caught within the fabric, getting wetter and colder so making you wetter and colder. If you aren&#x2019;t going to use or need a baselayer don&#x2019;t be tempted to wear a standard cotton T-shirt instead otherwise you&#x2019;ll just be making it tougher for your undersuit to its job.Where you go from here is very much up to you but we&#x2019;ll give you a bit of a guide as what as to what sort of thickness undersuit or specific product falls into certain temperature bands to give you a starting point.&#xA0;For a guide on which undersuits to choose based on temperature please see our <a href="https://support.mikesdivestore.com/en-US/undersuit-temperature-guide-16818" rel="noopener noreferrer" target="_blank">article here</a>!

How to choose an Undersuit

Chat to our experts - need help with your order, Sizing or simply just choosing? We are all divers ready to assist you!

You are our Number 1 priority, so we will do our absolute best to respond to your email within 1 business day.

Email: support@mikesdivestore.com