Whether you’re mountain biking, kayaking, or working in the toughest environments, the Aquapac Waterproof Phone Case – Extreme keeps your device safe, dry, and securely attached. Featuring our integrated Dock System stud which is compatible with Klickfast docks, it offers a hands-free solution with full waterproof protection, so you can keep moving without worry. Slide on Belt Dock is included . Please choose the best dock for your belt between 38mm/1.5", 50mm/2" or 60mm/2.4" belt dock.
The Extreme Phone Case will not work without a Dock/Klickfast accessory.
Please order with Belt Dock or another accessory from the Dock/Klickfast range.
Watch the Dock System in action →

100% Waterproof Protection (IPX8) Submersible to 10 metres / 30 feet – ideal for outdoor work, water sports, and rugged environments.
Integrated Dock System Stud Easily attach your phone case to Dock System accessories like shoulder harnesses, belts, backpacks, Molle systems, handlebars, or boat rails. Slide on Belt Dock now included. Compatible with all Klickfast docks.
Full Phone Functionality Talk, scroll, and text through the case. Designed with LENSFLEX clear TPU for capturing sharp photos and videos without removing your device.
Built for Tough Conditions Performs in extreme temperatures, from desert heat to freezing arctic cold.
Durable & Eco-Conscious Materials Made from rugged TPU, ABS, and PP materials. Long-lasting and recyclable where facilities exist.
Protects Against More Than Water Shields your phone from dust, sand, mud, corrosion, and dirt.
You can also order any other Dock System accessory to work with this case
• Waterproof Phone Case – Extreme
• Slide On Belt Dock
• Adjustable lanyard
• User instructions
Ideal For
• Mountain biking, kayaking, and paddleboarding
• Working in wet, muddy, or dusty environments
• Sailing, boating, and fishing
• Hiking, camping, and outdoor expeditions
Built for Adventure. Trusted Worldwide.
Aquapac has been designing waterproof protection since 1983, trusted by outdoor professionals, emergency services, and adventurers in over 60 countries.
Sustainable. Repairable. Made in the UK.
We manufacture all our waterproof cases in the UK using durable, eco-conscious materials. Repair kits and replacement parts are available to extend your product’s life.

Fits Most Smartphones Available in two sizes – Plus (Medium) and Plus Plus (Large) – to fit most popular phones, including those with heavy-duty cases (see Size Guide below).
Plus (Medium) fits most standard and large smartphones, including: iPhones: 6, 6 Plus, 6s, 6s Plus, X, XS, XR, XS Max, 7, 7 Plus, 8, 8 Plus, 11, 11 Pro, 11 Pro Max, 12, 12 Pro, 12 Pro Max, 13, 13 Pro, 13 Pro Max, 14, 14 Plus, 14 Pro Max, 15, 15 Plus, 15 Pro, 15 Pro Max, 16, 16 Plus, 16 Pro Samsung Galaxy: S6, S6EP, S7, S7E, S8, S8P, 10, 21 5G, S22, S22+, S23, S23+, S24, S24+, A33 5G, A34 5G, A35 5G, A52 5G, A54 5G, A55 5G
• If your phone’s overall height is more than 16.3cm (6.4”) and width and depth combined are over 10cm (4”), you'll need the larger Plus Plus size.
• Note: iPhone 12 Pro Max, 13 Pro Max, 14 Pro Max, 15 Plus & 15 Pro Max are a close fit for Plus (Medium) and may require removing bulky cases.
Plus Plus (Large) fits:
• Phones or phablets up to 19cm (7.5”) tall and 10.5cm (4.1”) wide.
• Designed for larger phones with heavy-duty bumper cases (e.g., Otterbox) or added battery packs.
Check the full Size Guide here →