Zone3

Up and Under in Cardiff is proud to stock Zone3’s premium range of open-water swimming equipment, perfectly suited for adventures in nearby hotspots like the Brecon Beacons and the Gower Peninsula. As an outdoor-focused store staffed by enthusiasts who use the gear themselves, we provide expert advice and outstanding service to help you make the most of your open-water experiences.

We also offer a wetsuit fitting service, ensuring optimal performance and comfort from your new swimwear. Alongside wild swimming gear, our extensive watersports collection includes equipment for stand-up paddleboarding and sit-on-top kayaking, with versatile options that cross over between activities.

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Zone3

Zone3 Active-Flex Swim Socks

Stay warm and protected in cold water with the Zone3 Active-Flex Swim Socks, featuring 3mm neoprene insulation, a durable ergonomic sole, and a split-toe design for enhanced grip and stability. With glued and blind-stitched seams, an extended cuff, and an adjustable Velcro strap for a secure fit, these socks are ideal for swimming, surfing, paddleboarding, and other watersports.

From £26.05 inc. VAT

Zone3

Zone3 Active-Flex Swim Cap

Stay warm and protected with the Zone3 Active-Flex Swim Cap, designed for open water swimming, surfing, and paddle sports. Made from 3mm stretchy neoprene with glued and blind-stitched seams, it provides excellent thermal insulation and comfort. The adjustable hook-and-loop chin strap ensures a secure fit, keeping you focused and warm during cold-water adventures.

From £26.05 inc. VAT

Zone3

Zone3 Men's Active-Flex Wetsuit

The Zone3 Men's Active‑Flex Wetsuit is your go‑to beginner wetsuit for open water swimming, surfing, SUP, kayaking, and sailing. Featuring a breaststroke‑friendly leg panel and gusset, eco‑friendly 3 mm Yulex® chest insulation, speedflo‑coated drag‑reducing panels, glued & blind‑stitched seams, and high‑stretch neoprene for supreme flexibility, it’s designed for warmth, durability, and easy on/off convenience. Bright orange accents boost visibility in open water, making it perfect for every water‑sport enthusiast.

From £169.80 inc. VAT

Zone3

Wetsuit Changing Mat

The Zone3 Wetsuit Changing Mat is an essential open water swimming accessory. It features a convenient drawstring that allows you to turn it quickly into a bag that will store all your wet items, ready to transport back home.

From £16.78 inc. VAT

Zone3

Recycled Swim Safety Buoy / Tow Float

The Zone 3 Recycled Swim Safety Buoy / Tow Float is the perfect wild swimming companion. Now made with 100% recycled polyester (rPET), it helps protect both you and the planet. Designed to keep you visible, safe, and confident, this tow float is ideal for training sessions, open water events, or casual swims. It’s lightweight and easy to use, with a comfortable waist leash that stays out of your way as you swim. The reflective strips and vibrant colour make sure you’re always seen – even in low light or rougher conditions.

From £22.46 inc. VAT

Zone3

Recycled Swim Safety Buoy / Dry Bag

The Zone3 Recycled Swim Safety Buoy & Dry Bag is a 28L dual-purpose float designed for open water swimmers, offering high visibility and secure, waterproof storage. Featuring dual air bladders, an adjustable waist belt, and a tethered leash that stays out of your stroke range, it’s made from 100% recycled polyester with reflective logos for added safety and sustainability.

From £31.44 inc. VAT

Zone3

Long Hair Silicone Swim Cap

The Zone3 Long Hair Silicone Swim Cap has been specifically designed to accommodate swimmers with long hair, offering extra room for a secure and comfortable fit. Crafted from premium 48g silicone, this cap provides excellent durability and flexibility, making it easy to slip on and off without snagging or pulling. Its soft, stretchy material helps protect your hair from the damaging effects of chlorine, saltwater, and other harsh elements.

From £5.39 inc. VAT

Zone3

Extra Long Hair Silicone Swim Cap

The Zone3 Extra Long Hair Silicone Swim Cap has been designed specifically for swimmers with long or voluminous hair. It offers a comfortable and secure fit with extra room where you need it most. Crafted from premium 48g silicone, this cap combines durability with flexibility, making it easy to put on while protecting your hair from chlorine, saltwater, and other elements.

From £5.39 inc. VAT

Zone3

Neoprene Swim Gloves

The Zone3 Neoprene Swim Gloves will keep your hands insulated from the cold, making off-season and chilly swims more manageable. These particular gloves have been designed with a longer length sleeve that can be tucked under or over a wetsuit, ensuring that no skin is exposed and that the glove cannot fill up with water and slip off during swims.

Up to 50%
off RRP
From £14.50 inc. VAT

Zone3

Heat-Tech Neoprene Swim Gloves

The Zone3 Heat-Tech Neoprene Swim Gloves complement their heat-tech swim socks. Designed for colder, off-season swims, these gloves ensure warmth for your extremities without compromising movement.

Up to 74%
off RRP
From £10.00 inc. VAT

Zone3

Silicone Swim Cap

The Zone3 Silicone Swim Cap is a valuable addition to your open water swimming gear. It keeps your hair dry and provides ear coverage, particularly beneficial in windy or colder conditions. Additionally, it streamlines your head, enhancing water efficiency and improving your swimming stroke.

From £5.39 inc. VAT

Zone3

Neoprene Swim Cap

The Zone3 Neoprene Swim Cap is an excellent option for keeping your head warm in colder weather. Available in three sizes and two styles, this cap is constructed with 4mm neoprene and includes an adjustable chin strap. The super stretch design of the skull cap, combined with the chin strap, ensures a comfortable and performance-oriented fit.

Up to 50%
off RRP
From £14.50 inc. VAT

Zone3

Heat-Tech Neoprene Swim Cap

The Zone3 Heat-Tech Neoprene Swim Cap stands out as the warmest headgear for open water swimming, providing effective prevention against brain freeze, especially in the coldest sessions. Offered in three sizes, it features a 4mm smooth-skin neoprene construction, delivering excellent wind resistance and reduced water resistance.

Up to 50%
off RRP
From £19.50 inc. VAT

Zone3

Heat-Tech Neoprene Balaclava

The Zone3 Heat-Tech Neoprene Balaclava is crafted to fit snugly under your wetsuit, forming a secure seal to prevent water entry. Featuring Zone3's thermal fleece heat tech lining for superior heat retention, it ensures a comfortable fit with its high-stretch lining.

Up to 50%
off RRP
From £24.50 inc. VAT

Zone3

Neoprene Swim Socks

The Zone3 Neoprene Swim Socks are crafted for a snug fit, minimizing water entry and promoting a powerful leg kick during swimming. Their extended length prevents water from filling the socks and ensures they stay in place while swimming. Additionally, the longer design facilitates easy tucking into your wetsuit, keeping your skin shielded from the cold water.

Up to 50%
off RRP
From £14.50 inc. VAT

Zone3

Women's Aspect Breaststoke Wetsuit

The Zone3 Women's Aspect Breaststroke Wetsuit is a groundbreaking design, offering open water swimmers the unique ability to comfortably execute both breaststroke and front crawl. Distinguished from most wetsuits, it facilitates lateral leg movement essential for breaststroke, incorporating high-stretch panels. Ideal for those transitioning from the pool to open water!

Up to 53%
off RRP
From £80.00 inc. VAT

Zone3

Women's Agile Wetsuit

The Zone3 Women's Agile Wetsuit is an ideal companion for keeping you warm, comfortable and supported as you begin your outdoor swimming journey. Featuring 2mm, 3mm and 4mm buoyancy panels, the Agile keeps you streamlined in the water, reducing fatigue and enabling you to concentrate on enhancing your technique and speed. High-stretch Flex-Fit shoulder panels offer greater flexibility, minimising drag and extending your reach with every stroke. The Agile Wetsuit sets itself apart from other entry-level options, delivering premium features at an affordable price.

Up to 55%
off RRP
From £99.50 inc. VAT

Zone3

Men's Agile Wetsuit

The Zone3 Men's Agile Wetsuit has been designed to keep you warm, comfortable, and supported as you begin your open water journey. Featuring 2mm, 3mm and 4mm buoyancy panels, it helps you stay streamlined, reducing fatigue and allowing you to focus on refining your technique and improving your times. The high-stretch Flex-Fit shoulder panels enhance your reach with every stroke, while the long back zip and Pro Speed cuffs make removal quick and easy. With its perfect blend of speed and comfort, it's easy to see why the Agile Wetsuit is so popular.

Up to 55%
off RRP
From £99.50 inc. VAT

Zone3

Women's Yulex Long Sleeve Swimsuit

The Zone3 Women's Yulex Long Sleeve Swimsuit has been designed for open water adventures, providing core warmth and protection with its 1.5mm thickness and full coverage back and arms. Made from eco-friendly natural rubber and recycled polyester, it reduces CO2 emissions by up to 80%. Ideal for outdoor swimming, surfing or paddle boarding, it offers great freedom of movement and durability with features like flattering panel placement, seamless underarm panels, flatlock seams, a YKK front zip and a contoured collar. It fits slightly looser than a standard tri wetsuit but should be snug for maximum warmth, and can be worn alone or under a wetsuit for extra insulation.

From £121.28 inc. VAT

Zone3

Women's OWS Ti+ Thermal High Neck Long Sleeve Costume

The Zone3 Women's OWS Ti+ Thermal High Neck Long Sleeve Swimsuit has been made to provide optimal performance in cold water. Its innovative design includes a Titanium-infused lining on both the front and back, boosting thermal efficiency to keep you warm throughout your swim. The high neck and convenient rear zip offer maximum coverage and easy access. Made with a shiny outer material, this swimsuit provides UPF50+ protection and maintains excellent shape retention, even with regular use. Concealed seams ensure a smooth, comfortable fit, reducing drag and enhancing your swimming experience. Stay warm, comfortable and protected with the Women's OWS Ti+ Thermal High Neck Swimsuit.

From £76.37 inc. VAT

Zone3

Women's OWS Ti+ Thermal High Neck Costume

The Zone3 Women's OWS Ti+ Thermal High Neck Costume features a Titanium lining for enhanced thermal efficiency. It is made without neoprene, but still offers the same warmth benefits. The high neck design increases coverage and warmth, while an inner bra shelf adds support. Concealed seams ensure comfort and hydrodynamics. The glossy outer material guarantees a perfect fit over time, and a rear zip fastening provides easy access.

From £67.38 inc. VAT

Zone3

Vision Max Goggles

The Zone3 Vision Max Goggles are the perfect choice for swimmers looking for a comfortable option with an enhanced field of vision. These are a mask style swimming goggle with ultra-soft silicon seals that sit on the forehead and below the eyes, meaning pressure is taken off the eyes and eye sockets. They feature a light blue anti-fog 180o panoramic lens with impact resistant seals, providing increased confidence even in the most stressful of swimming conditions.

From £29.20 inc. VAT

Zone3

Race Belt with Neoprene Pouch

The Zone3 Race Belt with Neoprene Pouch is a great choice for runners, cyclists, triathletes and a wide range of other uses. This versatile belt offers storage and visibility on-the-move thanks to reflective bands. It's been made with adjustable elastic webbing and features a water resistant neoprene pouch and energy gel loops for extra support on those longer training sessions. There's also handy elastic toggles which will keep your race number secure.

£22.00 inc. VAT £19.76 inc. VAT

Zone3

Ergo Hand Paddles

The Zone3 Ergo Hand Paddles are a comfortable and easy-to-use hand paddle that are perfect for increasing upper body strength and working muscles in the back, chest, arms and shoulders. The contoured shape of these paddles maximises the effect on the freestyle water catch position and minimises any disruption to stroke technique, reducing the risk of injury.

£18.00 inc. VAT £16.18 inc. VAT

Zone3

Race Belt with Lycra Pouch

The Zone3 Race Belt with Lycra Pouch is a versatile product that offers storage and visibility on-the-move. Perfect for use by runners, cyclists, triathletes and for a wide range of other uses. Made with adjustable elastic webbing, each belt comes complete with a lightweight and expandable nylon pouch, reflective band for improved visibility, as well as handy energy gel loops for extra support on those longer runs and training sessions. There are also plastic toggles that will keep your race number in place should you choose to race in it.

£15.00 inc. VAT £13.48 inc. VAT

Zone3

Kid's Aquahero Swim Goggles

The Zone3 Kid's Aquahero Swim Goggles have been designed around the shape of the adult Attack goggles. Made with both pool and open water swimming in mind, the Aquahero goggles are super comfortable and the ultra-soft silicon gaskets remove the age old problem of sore red rings around the eyes after a swim. Anti-fog treated, blue tint lenses provide crystal clear vision so kids can enjoy the same performance and comfort as adults.

From £13.48 inc. VAT

Zone3

Vapour Goggles

The Zone3 Vapour Goggles are crafted to cater to your swimming needs, whether you're in the pool or outdoors. Providing comfort and unhindered vision, these goggles feature super-soft silicon gaskets and expansive anti-fog lenses. With 100% UVA/UVB protection, they are available in polarised and photo-chromatic lens options.

From £40.43 inc. VAT

Zone3

Venator-X Goggles

The Zone3 Venator-X Goggles are a great all-weather choice for training and racing, whether you're in the pool or open water. They're flexible build makes them suitable for a a variety of face shapes and sizes, ensuring comfort and distraction-free performance. Available in both polarized ad photochromatic lens options.

From £31.44 inc. VAT

Zone3

Apollo Goggles

The Zone3 Apollo Goggles are tailored for those with smaller heads, addressing the challenges of finding well-fitting eyewear. Featuring a compact, hydrodynamic, and flexible frame, these goggles smoothly navigate through the water, adapting to smaller head sizes for optimal vision and uncompromised comfort.

From £17.96 inc. VAT

Zone3

Attack Goggles

The Zone3 Attack Goggles are crafted for optimal flexibility, adapting to a diverse range of face shapes and sizes. With a curved lens for improved vision, you can choose between polarised or photo-chromatic lenses. These goggles are well-suited for both open water and pool swimming.

From £22.46 inc. VAT

Zone3

2 Led Light 28L Backpack Buoy

The Zone3 2 Led Light 28L Backpack Buoy incorporates all the features of their popular swim safety buoy and 28L dry bag. Additionally, the LED version comes with reflective logos and LED lights featuring a strobe option, providing increased visibility in low-light conditions.

50%
off RRP
£59.00 inc. VAT £29.50 inc. VAT

Zone3

Silicone V-Flex Fins

The Zone3 Silicone V-Flex Fins utilise an ankle strap instead of a full fitted heel, offering a superior fit with reduced chafing and unrestricted ankle movement. Incorporating fins into your training regimen can significantly enhance overall swim efficiency, speed, and technique.

From £33.47 inc. VAT