Waterproof D10 Pro ISS Drysuit | Men
Use this size guide for the Waterproof Drysuit to find the best fit for you. Remember that this is a guide only, and we highly recommend that you properly check for correct fit before using for the first time. Please contact us if you require further assistance with sizing or if you would like to arrange to visit the store for sizing by our trained staff.
Alternatively you can use the Waterproof Sizing Simulator to identify the best size.
Metric
| Mens | S | M/+ | M | ML | ML/T | L/+ | L | XL | XL/T | XXL | 3XL/T+ |
| European Size | C48 | F50 | C50 | C52 | C152 | F54 | C54 | C56 | C156 | C58 | F160 |
| Height (+/-3cm) | 174 | 176 | 176 | 178 | 186 | 180 | 180 | 182 | 190 | 184 | 193 |
| Head | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 60 |
| Neck | 38 | 41 | 39 | 40 | 40 | 43 | 41 | 42 | 42 | 43 | 46 |
| Chest | 96 | 108 | 100 | 104 | 104 | 116 | 108 | 112 | 112 | 116 | 128 |
| Waist | 83 | 106 | 88 | 93 | 93 | 116 | 98 | 102 | 102 | 108 | 131 |
| Hips | 96 | 106 | 100 | 104 | 104 | 114 | 108 | 112 | 112 | 116 | 126 |
| Neck to Crotch | 81 | 85 | 82 | 83 | 86 | 87 | 84 | 85 | 88 | 86 | 93 |
| Neck to Wrist | 74 | 75 | 75 | 76 | 79 | 77 | 77 | 78 | 81 | 79 | 83 |
| Crotch to Floor | 82 | 83 | 83 | 84 | 89 | 85 | 85 | 86 | 91 | 87 | 93 |
| Foot Size (cm) | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 29 | 30 | 30 | 31 |
| EU Boot Size | 40/42 | 40/42 | 40/42 | 43/44 | 44/45 | 43/44 | 43/44 | 44/45 | 46/47 | 46/47 | 47 |
Imperial
| Mens | S | M/+ | M | ML | ML/T | L/+ | L | XL | XL/T | XXL | 3XL/T+ |
| European Size | C48 | F50 | C50 | C52 | C152 | F54 | C54 | C56 | C156 | C58 | F160 |
| Height (+/-1") | 5'9" | 5'9" | 5'9" | 5'10" | 6'1" | 5'11" | 5'11" | 6'0" | 6'3" | 6'0" | 6'4" |
| Head (") | 22.5 | 22.8 | 22.8 | 22.8 | 22.8 | 22.8 | 22.8 | 23.2 | 23.2 | 23.2 | 23.6 |
| Neck (") | 15 | 16.1 | 15.3 | 15.7 | 15.7 | 17 | 16.1 | 16.5 | 16.5 | 17 | 18.1 |
| Chest (") | 38 | 43 | 39 | 41 | 41 | 46 | 43 | 44 | 44 | 46 | 50 |
| Waist (") | 33 | 42 | 35 | 37 | 37 | 46 | 39 | 41 | 41 | 43 | 52 |
| Hips (") | 38 | 42 | 39 | 41 | 41 | 45 | 43 | 44 | 44 | 46 | 50 |
| Neck to Crotch (") | 32 | 34 | 32 | 33 | 34 | 34 | 33 | 33 | 35 | 34 | 37 |
| Neck to Wrist (") | 29 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 32 | 31 | 33 |
| Crotch to Floor (") | 31 | 32 | 32 | 33 | 34 | 33 | 33 | 34 | 36 | 36 | 37 |
| Foot Size (cm) | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 29 | 30 | 30 | 31 |
| EU Boot Size | 40/42 | 40/42 | 40/42 | 43/44 | 44/45 | 43/44 | 43/44 | 44/45 | 46/47 | 46/47 | 47 |
Metric
| Womens | XS | S | M/+ | M | ML | ML/T | L/+ | L | XL |
| European Size | C34 | C36 | D38 | C38 | C40 | C140 | D42 | C42 | C44 |
| Height (+/-3cm) | 164 | 166 | 168 | 168 | 170 | 177 | 172 | 172 | 174 |
| Head | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 56 |
| Neck | 33 | 34 | 37 | 35 | 35 | 36 | 38 | 36 | 37 |
| Chest | 80 | 84 | 95 | 88 | 92 | 92 | 103 | 96 | 100 |
| Waist | 63 | 67 | 75 | 70 | 74 | 74 | 82 | 77 | 81 |
| Hips | 88 | 92 | 102 | 96 | 100 | 100 | 110 | 104 | 108 |
| Neck to Crotch | 73 | 74 | 78 | 75 | 76 | 78 | 80 | 77 | 78 |
| Neck to Wrist | 70 | 71 | 72 | 72 | 73 | 76 | 74 | 74 | 75 |
| Crotch to Floor | 77 | 78 | 79 | 79 | 80 | 84 | 81 | 81 | 82 |
| Foot Size (cm) | 23 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 27 |
| EU Boot Size | 35 | 36 | 37 | 37 | 38/39 | 38/39 | 38/39 | 38/39 | 40/42 |
Imperial
| Womens | XS | S | M/+ | M | ML | ML/T | L/+ | L | XL |
| European Size | C34 | C36 | D38 | C38 | C40 | C140 | D42 | C42 | C44 |
| Height (+/-1") | 5'5" | 5'5" | 5'6" | 5'6" | 5'7" | 5'7" | 5'8" | 5'8" | 5'9" |
| Head (") | 21 | 21.6 | 21.7 | 21.7 | 22 | 22 | 22 | 22 | 22 |
| Neck (") | 13 | 13.4 | 13.8 | 13.8 | 13.8 | 13.8 | 14.2 | 14.9 | 14.5 |
| Chest (") | 31 | 33 | 35 | 37 | 36 | 36 | 38 | 41 | 39 |
| Waist (") | 25 | 26 | 28 | 30 | 29 | 29 | 30 | 32 | 32 |
| Hips (") | 35 | 36 | 38 | 40 | 39 | 39 | 41 | 43 | 43 |
| Neck to Crotch (") | 29 | 29 | 30 | 31 | 30 | 30 | 31 | 31 | 31 |
| Neck to Wrist (") | 28 | 28 | 28 | 29 | 29 | 30 | 29 | 31 | 30 |
| Crotch to Floor (") | 30 | 31 | 31 | 31 | 31 | 33 | 32 | 32 | 32 |
| Foot Size (cm) | 23 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 27 |
| EU Boot Size | 35 | 36 | 37 | 37 | 38/39 | 38/39 | 38/39 | 38/39 | 40/42 |
If you're serious about cold-water diving and want a drysuit built to last, the Waterproof D10 Pro ISS is one of the best neoprene drysuits on the market. It's constructed from 3.5 mm microcell Limestone CR neoprene — a pricier material than standard neoprene, but significantly better in terms of thermal performance, durability, and memory. The SD Toughtex outer fabric adds serious abrasion resistance, so this suit is built for real-world diving: shore entries, wrecks, walls, and everything in between.
What really sets the D10 Pro ISS apart is Waterproof's Integrated Silicone Seal System (ISS) — silicone seals at the neck and wrists that you can swap out yourself in minutes, without sending the suit off to a service centre. The SI TECH Neck Tite System and QCS Oval Ring System make seal changes quick and tool-free (well, almost — the Neck Tite Tool is included). Silicone is the default, but latex seals are compatible with the wrist rings, giving you flexibility as your kit evolves. The wrist system is also optimised for use with the Ultima dry glove system if you're ready to go full dry.
Anatomical shaping throughout — pre-bent arms and legs, a seam-free crotch, angled Kevlar-reinforced boots — means this suit fits and moves like it should from day one, without the break-in period you'd expect from a stiffer construction. Rubber kneepads, Duratex-reinforced elbows and shoulders, anti-slip PU seat treatment, and embossed abrasion panels all point to a suit designed for hard use, not just looking good on the rack.
The expandable Power Pockets are genuinely useful — toggle between slim profile and cavernous capacity depending on your dive. A D-ring and inner zippered pocket add to the practicality. The metal back-zip is YKK/BDM with a heavy-duty zipper cover for protection, and runs extra long for easy donning and doffing solo or with a buddy. SI TECH swivelling inlet and adjustable automatic outlet valves keep buoyancy control smooth. Comes with a dry bag, inflation hose, integrated adjustable suspenders, spare silicone seal set, Neck Tite Tool, zip lube, and manual — everything you need to get in the water.
Features:
- 3.5 mm Limestone CR Microcell Neoprene with SD Toughtex outer fabric — superior thermal insulation, memory, and durability compared to standard neoprene
- Integrated Silicone Seal System (ISS) — silicone wrist and neck seals replaceable in minutes; latex seals compatible at wrists
- SI TECH Neck Tite System with Warm Neck — reduces water movement at the neck, fitted with drain valves and Velcro tabs; latex and neoprene seals also compatible
- SI TECH QCS Oval Ring System with Warm Cuffs — detachable cuffs protect seals and reduce heat loss at the wrists; optimised for the Ultima dry glove system
- YKK/BDM metal back-zip — maximally extended for solo donning/doffing, with heavy-duty zipper cover (outer coil #10) and chill guard
- Anatomical fit — pre-bent arms and legs, embossed panels, and seam-free crotch for unrestricted movement and long-term comfort
- DuPont™ Kevlar® reinforced angled boots — hard-core rubber formula, Kevlar front reinforcement, moulded fin strap anchor
- 3D rubber kneepads — anatomically shaped knee/shin guards for serious protection without sacrificing flexibility
- Expandable Power Pockets — zippered neoprene pockets with D-ring and inner zippered pocket; switch between slim and high-capacity configurations
- Duratex reinforced elbows and shoulders with wear-resistant, anti-slip PU treatment; anti-slip seat treatment for boat diving
- SI TECH valves — swivelling inlet valve and adjustable automatic outlet valve
- Moulded TPE Velcro tabs — stick only to assigned Velcro surfaces; no stray snagging
- Plastic-free packaging — 100% plastic-free in line with Waterproof's sustainability commitment
- Included: dry bag, inflation hose, adjustable integrated suspenders, spare silicone seal set, Neck Tite Tool, zip lubricant, and user manual
VIDEO CONSULTATIONS NOW AVAILABLE: We're bringing our highly experienced and knowledgeable staff to you with live-streaming consultations. If you need help choosing the right bit of kit or the best size before buying or even advice on whether a purchased item is the right fit for you, then book yourself a consultation appointment.
We offer free tracked UK standard delivery on orders over £50 (Excluding Weights and Cylinders, as they must go on a separate service to your order)
Standard UK delivery and Next Business Day UK delivery rates are calculated at checkout and offers a number of courier options for maximum convenience to you.
International shipping rates depend on items, shipment weight and destination. Shipping costs are calculated at checkout.
Estimated delivery times are shown during checkout and reflect your chosen delivery method. More Details
60 Day Stress Free Returns
If you change your mind, it doesn’t fit, or you become inflicted with buyer’s regret - that's OK!
Mike's Dive Store offer an extended returns policy of 60 days - so you can be rest assured if the suit, piece of diving equipment or gift doesn't suit then just send it back, and we will either exchange it or offer a full refund less any postage costs. Too easy!
Please note that there are some special order items on our website that will be subject to a 20% re-stocking fee, but we will let you know about these items before we 'special order' them so that you are aware of this. If this is the case we can always help with correct sizing so that we minimise the risk of return. More Details
Returning To Chiswick Store
We want to make your shopping experience as seamless and enjoyable as possible, even when it comes to returns. That’s why we offer hassle-free returns at our Chiswick store. But there’s more—when you visit to make a return, you can also pre-order items to be available for collection. This means we’ll have a range of sizes ready for you to try on, ensuring you find the perfect fit before leaving the store.
Shop with Confidence, Wherever You Are
To make things even easier, we offer complimentary video consultations with our expert team. Whether it’s before or after your purchase, our specialists can guide you through sizing, fit, and styling—all from the comfort of your home. It’s like having your own personal VIP shopping experience, tailored just for you.
From returns to reorders, we’re here to help you find exactly what you need with zero stress.
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We offer the option for customers to choose ‘Pickup in store’ as a shipment method, allowing your order to be picked up from our Chiswick store at a time and date that works for you (within our business hours). The process is really easy, but we'll run through it here:
Step 1 - Add products to your cart:
Browse our vast selection of diving and snorkelling equipment, adding the kit you want to your cart.
Step 2 - Head to your cart:
Click on the cart icon to see a summary of the items you are about to purchase.

Step 3 – Review Your Order and Proceed to Checkout:
Once you're satisfied with the items in your cart, you can add a note to your order under the "Order Summary" section if desired. When you're ready to proceed, simply click "Checkout" to complete your order.
Step 4 - Customer Information:
If you have a Mike's Dive Store account, simply log in to autofill your details. If not, enter your email address, select ‘Pickup in Store,’ and then click ‘Continue to Payment’ to proceed.

Step 5 – Payment & Billing Details:
Select your preferred payment method and enter your payment information. Below, provide your billing details. If you're logged into your account, please double-check that your billing and contact information are up to date.

Step 6 – Review Order:
After entering your payment details, click ‘Review Order’ to proceed with placing your order. You will receive an email confirmation with your unique order number. We will notify you when your order is ready for collection, usually within 4 hours or sooner during our opening hours (Monday to Saturday, 10 AM to 6 PM). Please note that our hours may vary during the Christmas and New Year periods.
Our London Store Information:
Address:
Mike's Dive Store, 113 Power Rd, Chiswick, West London, W4 5PY
Telephone:
Local: 01202 037162
International: 0044 1202 037162
Email:
All Enquiries - support@mikesdivestore.com
Store Opening Times:
Mon - Fri: 10am - 6pm
Sat: 10am - 5pm
Sun: Closed
Need Help?
Our expert diving team is here to assist with your order, sizing, or product selection. We're divers ourselves, ready to support you!
Chat Hours:
Monday - Friday: 09:00 AM - 05:50 PM GMT
Prefer a call back? Just request it through the chat bubble!
Store Location
Mike's Dive Store
113 Power Rd, Chiswick, West London, W4 5PY
Store Hours
Mon - Fri: 10 AM - 6 PM
Sat: 10 AM - 5 PM
Sun: Closed
Bank Holidays: Store & Warehouse Closed (no dispatch)
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