Helping you be better than yesterday with the 'shiny' stuff
Practical tools for those doing the work - built for the 1% who demand more from their kit.
This merchandise isn't just 'shiny', it's really useful too
This is not novelty merchandise. These are practical tools and quiet signals of commitment for the professionals who do the work. Every item we offer connects directly to the human factors mission - designed to withstand the realities of the field, not just to look the part. Built for the 1%.
Why it matters
Each piece in the store is chosen to reinforce the habits, language, and mindset that underpin safer diving. The kit is a reminder of the work, not a distraction from it.
Wetnotes
Purpose-built tools for data collection in demanding environments. Our wetnotes are designed to survive the rigours of technical diving, offering reliable performance when precision matters most. These contain the UNITED-C and DEBrIEF frameworks along with a number of other useful checklists and tools to predict, trap, and mitigate the errors will make, often around communication.
THD Wetnotes
Briefing (UNITED-C) and debriefing (DEBrIEF) guides along with incident management information. Waterproof paper, pencil, bungee, and pockets for additional, important items like spanner or spare bolt snap.
THD Wetnotes (Insert Only)
Replacement waterproof pages designed to fit seamlessly into the standard THD protective cover for continuous deployment.
Headgear
Practical, high-performance headwear designed for warmth and utility above and below the surface. Built for those doing the work.
Xerotherm Beanie
High-performance thermal protection for cold environments. Essential kit for extended surface intervals.
Embroidered Baseball Cap
Black cotton embroidered baseball cap. On the reverse, above the adjustable headband, is "Counter-errorism in Diving"
The Human Diver Buff
Buff. Ideal for keeping you cool or warm depending on how put around your head or neck.
'Counter-Errorism in Diving' Mask Strap
Neoprene mask strap that fits over a standard silicone strap using two velcro closures to hold it in place.
Small kit
Practical, unpretentious additions to your daily diving carry. Built to perform quietly in the background.
'Counter-Errorrism in Diving' - Keytag
A robust anchor for your essential keys.
'be better than yesterday' - Keytag
A robust anchor for your essential keys.
Black 'Sharpie' pens x 2
Standard markers for wetnotes, gear marking, and gas analysis
'Counter-Errorism in Diving' Drysuit Patch
60mm x 60mm velcro drysuit patch. Can be glued or sewn onto your drysuit (remember to seal the stitch holes!)
The patch is velcro, with the hook part on the back of the patch. You can glue the 'fluffy' part of the velcro to your drysuit or use an existing velcro patch on the drysuit.
ESSENTIAL READING
Under Pressure
Written by Gareth Lock, Under Pressure is an indispensable resource for the discerning diver. It systematically dismantles the 'bad-apple' myth, offering practical, evidence-based insights into human performance and error in diving. This is not merely a product - it is the foundation of our entire methodology.
The Polish version has been written by Andrzej Gornicki.
Apparel - printed on demand
Our t-shirts and hoodies are produced ethically and printed on demand by our partner, Teemill. This approach ensures zero waste and supports a circular economy, aligning with our commitment to the wider diving mission. Because these items are printed to order, they are dispatched directly from Teemill's sustainable factory in the United Kingdom.
Zero-waste printing
Shipping Info
Shipping is calculated automatically at checkout from your delivery address, so you always see the exact cost before you pay. Stocked items are dispatched from the UK within two working days, and you'll receive a tracking link by email as soon as your order is on its way. Any order of goods above £25 is sent tracked and signed for, wherever it's going. We've lost too much stuff in normal postage.
| Destination | Orders under £25 | Orders £25 and over |
|---|---|---|
| United Kingdom | Royal Mail 1st Class (untracked) | Royal Mail Tracked 24/48, signed for |
| Europe | Royal Mail International Standard (untracked) | Royal Mail International Tracked & Signed |
| Rest of World | Royal Mail International Standard (untracked) | Royal Mail International Tracked & Signed |
A note on international orders
We ship worldwide. Apparel is printed to order by our partner Teemill and is dispatched separately from their UK factory. Please note that any local customs duties or import taxes on overseas orders are the responsibility of the recipient.
Built for the 1%
Every piece of kit we offer is selected with purpose. Our apparel is ethically sourced and printed on demand by Teemill to eliminate waste, while our wetnotes are manufactured to withstand rigorous conditions. When you invest in these tools, you are directly supporting our wider mission: to elevate human factors in diving and bring safer practices to the global community.
What you are supporting
Proceeds directly reinforce training, research, and outreach designed to reduce error and improve outcomes in diving.
What do you still need to know?
We aim to make our policies as transparent as possible. If you cannot find the answer to your question here, please reach out to our team via the contact page.
How do you handle shipping and delivery?
Orders for stocked items are typically dispatched from our UK facility within two working days. Apparel is printed on demand by Teemill and will arrive separately. You will receive a tracking link via email once your kit is on its way.
What is your returns policy?
If your item arrives damaged or is not what you expected, you may return it within thirty days for a full refund or exchange. The kit must remain unused and in its original condition.
Do you ship internationally?
Yes, we ship globally. Please note that international orders may be subject to local customs duties or import taxes, which remain the responsibility of the recipient.
Which wetnotes option do I need?
If you already own the THD Wetnotes cover, the Insert Only option provides a fresh pad. If you are purchasing for the first time, select the full THD Wetnotes Divers Notebook to receive both the cover and the waterproof paper insert.
The humaN DIVER
Be better than yesterday.
Human factors, non-technical skills and learning from emergent outcomes for the divers who refuse the bad-apple story.
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The humaN DIVER
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Built for the 1%