Up and Under outdoor gear in Cardiff specialize in Tents, sleeping bags, camping mats and stoves for car camping, lightweight backpacking, mountaineering, mountain marathons and expeditions. You'll find everything that you need here, just dive on in.

 

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Sea to Summit

Reactor Extreme

The Sea to Summit Reactor Extreme is their warmest knitted sleeping bag liner, perfect for cold climates. It provides added warmth when used with a sleeping bag and can also be used alone in warmer weather. The mummy shape, Thermolite® Pro fabric, and drawcord ensure comfort and warmth. Using new infrared technology, it reflects body heat back to you, while stretch fabric enhances insulation for versatile use in varying temperatures. The Reactor Extreme offers exceptional heat retention, ideal for cold conditions.

From £56.83 inc. VAT

Sea to Summit

Reactor Liner

The Sea to Summit Reactor Liner is an ultra-lightweight sleeping bag liner that uses Thermolite Pro fabric and infrared technology paired with comfortable stretch fabric to provide extra warmth and insulation. It features a mummy shape and a draw cord for added flexibility and premium comfort. This liner is best suited to use in cold conditions.

From £52.46 inc. VAT

Mammut

Comfort Fibre Bag -5C

The Mammut Comfort Fibre Bag -5C is the perfect sleeping bag for camping trips and relaxed outdoor adventures. It features a mummy shape for optimum insulation, a zipper baffle and a draft collar to effectively seal in heat, keeping you snug and comfortable on those colder nights. If it's warmer than you expected, you can simply unzip and use the bag as a cosy blanket instead. Made with 85% recycled fill, 100% recycled fabrics, PFC-free water-repellent coating, and innovative cutting pattern to significantly reduce waste, this eco-conscious bag helps you get a good night’s sleep, while respecting the landscapes you love.

£160.00 inc. VAT £140.48 inc. VAT

Rab

Women's Ascent 500 (-5C)

The Rab Women's Ascent 500 (-5C) is a 650FP duck down sleeping bag made with a recycled, wind-resistant Pertex Quantum outer. Great for camping and trekking adventures, the Ascent 500 features a wide and comfortable women's specific mummy shape, ideal for use in spring conditions. Exploring with a partner or want extra space? Pick up a left and a right zipped bag and you can zip them together.

£300.00 inc. VAT £266.47 inc. VAT

Crux

X1 Raid SL

The Crux X1 Raid SL is the superlight version of the standard X1 Raid. The SL models represent Crux's new signature “expedition” range – available only in gold with a big logo printed on the side. The SL uses a lighter 20 denier nylon face fabric that is laminated with their X-tex membrane, making it the lightest single-wall, condensation-beating tent. Crux only recommend the SL if weight is of absolute importance – for a saving of 250g, you get a tent that will only last half as long as the standard model.

£699.00 inc. VAT £622.67 inc. VAT

Sea to Summit

Comfort Plus Insulated Air Sleeping Mat

Crafted with a dual-layered construction of Thermalite sprung cell insulation, the Sea to Summit Comfort Plus Insulated Air Sleeping Mat ensures warmth even if one layer is punctured. The Thermalite insulation features a unique 3D crimp of hollow-core and solid fibers, providing lightweight warmth with exceptional durability. This prevents heat loss from your body to the cold ground, ensuring a comfortable night's sleep.

From £213.17 inc. VAT

Sea to Summit

Camp Plus Self-Inflating Sleeping Mat

The Camp Mat Plus (Large) by Sea to Summit delivers plus-sized comfort and warmth all year round. This self-inflating mat combines durable and robust fabrics with Sea to Summit's own Delta Coring technique to reduce the amount of foam used by more than 40%, this reduces weight without compromising durability. If you're looking for a versatile all around mat with maximum comfort then this is the choice for you.

From £79.93 inc. VAT

Life Systems

Venture Solo Hooped Bivi

The Life Systems Venture Solo Hooped Bivi is a generously proportioned and easy-to-deploy bivi that's great for hikers, bikers and outdoor minimalists. It provides excellent breathability, as well as being lightweight and waterproof so you remain protected from the elements on your adventures.

£119.99 inc. VAT £106.34 inc. VAT

Life Systems

Venture Lite Bivi

The Life Systems Venture Lite Bivi is a compact, yet spacious bivi that's ready for all your outdoor adventures. It provides plenty of space for a comfortable night's sleep and has been made from waterproof and breathable fabrics, ensuring that you stay protected from the elements whilst allowing air circulation. This is the perfect bivi for those that value both strength and convenience.

£89.99 inc. VAT £79.75 inc. VAT

Buck Knives

750 Redpoint

The Buck Knives 750 Redpoint is a lightweight, Functional Folding Blade, making it ideal for backpacking, camping, climbing, hiking and river use. Corrosion resistant blade which is partially serrated and has great edge retention. Very durable and suitable for all weather- as the handle is made of thermoplastic and has a rubberised over mould.

From £53.41 inc. VAT

Mammut

Comfort Fibre Bag -1C

The Mammut Comfort Fibre Bag -1C is a comfortable synthetic sleep bag that will keep you warm and snug when the temperature dips. From Mammut's dream series, this sleeping bag has a mummy silhouette that quickly transforms into a cosy blanket when weather is fair, perfect for camping and relaxed outdoor adventures. Made with an 85% recycled fill, 100% recycled fabrics, a PFC-free water-repellent coating, and an innovative cutting pattern to significantly reduce waste, this eco-conscious bag helps you get a good night’s sleep, while respecting the landscapes you love.

£140.00 inc. VAT £122.92 inc. VAT

Mammut

Comfort Fibre Bag -7C Women's

The Mammut Comfort Fibre Bag -7C Women's is a snug and cosy synthetic sleeping bag that's perfect for camping and relaxed outdoor adventures. It features a mummy silhouette, a zipper baffle and draft collar to effectively seal in heat, if it's warmer than expected you can simply unzip and use it as a blanket instead.

£160.00 inc. VAT £140.48 inc. VAT

Rab

Mythic Ultra 120 Modular Down Sleeping Bag

The Rab Mythic Ultra 120 Modular Down Sleeping Bag is an award-winning, ultralight sleeping bag that's been designed for activities such as thru-hiking, bike-packing and mountain running. This bag cuts weight and bulk by only including insulation where it's not already provided by your sleeping mat. The upper bag and underside of the legs, is filled with ultra-high-lofting 900FP down and heat-reflective TILT, reducing radiant heat loss without a gram of unnecessary weight. Meanwhile, the lower bag hooks around the mat which insulates you from the ground.

£390.00 inc. VAT £346.49 inc. VAT

Leatherman

Bond

The Leatherman Bond is a lightweight multi-tool that packs 14 essential features into a compact design. It's handles are contoured to give you a comfortable grip while using the tools. Perfect for first-time owners or a great backup to existing gear. Bond includes a nylon sheath.

£59.95 inc. VAT £53.41 inc. VAT

Rab

Women's Neutrino 400 (-7C)

The Rab Women's Neutrino 400 (-7C) has been built for those moving fast and light on mountain missions. Eliminating excess bulk with a highly tapered design and offering exceptional warmth for its weight, the Neutrino 400 is perfect for three season adventures. It features a shorter length and female specific shape, filled with 800FP goose down and covered with a recycled, wind resistant Pertex® Quantum outer.

£420.00 inc. VAT £373.06 inc. VAT

Vango

Hard Anodised 1 Person Cook Kit

The Vango Hard Anodised 1 Person Cook Kit is perfect for travellers looking to stop for quick meals on-the-go. The set contains two pots, which can be combined to create a lid for one pot. It's lightweight, non-stock and compact when stored alongside the rest of your kit.

£26.00 inc. VAT £23.17 inc. VAT
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