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.
Lifeventure Thermolite Sleeping Bag Liner
The Lifeventure Thermolite Sleeping Bag Liner adds up to 15°C of warmth to your sleeping bag without extra bulk. Lightweight, soft and moisture-wicking, it features a drawstring hood for improved heat retention and Polygiene® odour control for freshness on multi-day trips. Ideal for cold-weather camping or standalone use in warmer climates.
Rab Mythic Down Sleeping Bag (-6°C)
The Rab Mythic Down Sleeping Bag (-6°C) delivers exceptional warmth at just 700g, featuring 900FP European goose down and innovative L.O.F.T 3D™ baffles for maximum loft retention. A heat-reflective TILT lining enhances thermal efficiency while keeping weight to a minimum. With a compact 18cm x 30cm pack size and ISO comfort rating of 0°C, it’s ideal for fastpacking, trekking and alpine missions.
Sea to Summit Horizon Cutlery Set (2 Piece)
The Sea to Summit Horizon Cutlery Set (2 Piece) is a lightweight, BPA-free camping utensil set made from durable glass-reinforced polypropylene. Featuring a nesting, clip-together design that converts into a long-handled spork, it’s ideal for minimalist backpacking and trekking adventures. Weighing just 16g, it’s compact, strong and easy to clean.
Sea to Summit Horizon Cutlery Set (3 Piece)
The Sea to Summit Horizon Cutlery Set (3 Piece) is a lightweight, BPA-free camping utensil set made from durable glass-reinforced polypropylene. Featuring a nesting, clip-together design that converts into long-handled utensils, it’s ideal for backpacking and minimalist adventures. Compact, strong and easy to clean at just 24g.
Rab Ultrasphere 1.5
The Rab Ultrasphere 1.5 is an ultra-lightweight (310g) inflatable sleeping mat built for fast & light mountain missions. Featuring innovative offset air chambers and an R-value of 1.4, it delivers efficient summer warmth without added bulk. The tapered mummy shape and compact pack size make it ideal for thru-hiking, bike-packing and multi-day runs. An 8cm thickness ensures reliable comfort at minimal weight.
Rab Ultrasphere 5
The Rab Ultrasphere 5 is a 345g ultralight insulated air mat delivering exceptional warmth with an R-value of 5.5. Featuring dual-layer TILT reflective technology and offset air chambers, it maximises heat retention without added bulk. The tapered mummy design and compact pack size make it ideal for bikepacking, thru-hiking and alpine missions. A premium warmth-to-weight solution for fast & light mountain adventures.
Rab Radeon Synthetic Sleeping Bag (6°C)
The Rab Radeon Synthetic Sleeping Bag (6°C) is a durable, moisture-resistant synthetic sleeping bag built for trekking and camping in variable conditions. Featuring recycled Stratus™ insulation with WARM WAVE™ construction, it delivers reliable warmth down to a -6°C limit rating. The 20D Atmos™ ripstop outer with fluorocarbon-free DWR offers windproof, water-resistant protection. A dependable all-rounder for mountain bothies, desert bivis and shoulder-season adventures.
Rab Ascent -6C
The Rab Ascent -6°C Sleeping Bag is a 650FP down trekking sleeping bag built for reliable 3-season mountain use. Featuring a wide mummy fit, Pertex® Quantum outer and L.O.F.T™ baffle construction, it maximises warmth-to-weight efficiency. With a Limit of Comfort rating at -6°C and hydrophobic duck down insulation, it delivers dependable protection in cold and damp conditions. Ideal for backpacking, camping and regular mountain use.
Rab Ascent 0C
The Rab Ascent (0°C) Sleeping Bag is a lightweight 650FP down sleeping bag designed for summer camping and spring bothy trips. Featuring a wide mummy fit, Pertex® Quantum 20D ripstop fabric and L.O.F.T™ baffle construction, it maximises warmth-to-weight efficiency. With a 0°C limit rating and compact 20cm x 35cm packed size, it offers comfort without bulk. Hand-filled in the UK for superior loft and performance.
Highlander NAP-PAK Arctic R11 Inflatable Sleeping Mat
The Highlander NAP PAK Arctic R11 Inflatable Sleeping Mat offers true four season insulation with an impressive R value of 11. Lightweight and compact, it provides excellent warmth without adding bulk. A 10cm thick baffle design ensures comfort on cold ground. Ideal for winter camping and cold weather adventures.
Wild Country Tents Helm Compact 3
The Wild Country Tents Helm Compact 3 is a versatile three person tent built for backpacking, cycle touring, and wild camping adventures. Offering excellent headroom, twin entrances, and spacious porches, it delivers comfort without excessive weight. Updated with recycled and PFC free fabrics for 2025, it combines durability with a reduced environmental impact. Its stable free standing design and reliable weather protection make it a dependable three season shelter. Ideal for small groups who want space, strength, and simplicity.
Thermarest NeoAir Xtherm NXT Sleeping Pad
The Thermarest NeoAir XTherm NXT is the gold standard sleeping pad for extreme cold conditions. With an R value of 7.3 and a lightweight design, it delivers unmatched warmth without sacrificing pack space. Its 3 inch thickness provides reliable comfort and insulation for long nights in alpine and winter environments. Durable fabrics and an easy to use WingLock valve make it ideal for expedition use. When warmth is critical, the XTherm NXT sets the benchmark.
Petzl Swift LT
The Petzl Swift LT delivers impressive lighting power in an ultra compact 43g design, making it ideal for any activity where weight and space matter. It produces 380 lumens with a wide and even beam, plus three white modes and a red light for night vision. The breathable headband includes reflective threading for added safety and can be removed, washed or replaced. USB-C charging and an 880 mAh battery make it practical for daily use. This small but capable headlamp is built for outdoor performance in all weather.
Hard Lines Coffee Christmas Blend
Celebrate the season with Hard Line Coffee’s Festive Blend. A rich, indulgent coffee bursting with flavours of chocolate, orange and caramel. This deliciously smooth Christmas coffee combines the vibrant citrus brightness of washed Colombia with the deep, chocolatey sweetness of a natural El Salvador. Whether you’re brewing a big pot to share or enjoying a quiet festive moment, this blend brings warmth, comfort and joy to every cup.
Duracell AAA Procell
Save up to 20% on battery costs with the Duracell AAA Procell batteries, they come in two versions of Constant Power for low-drain devices, and Intense Power for high-drain equipment. Engineered for long-lasting performance, these professional-grade batteries reduce the need for replacements and downtime. Each cell is built to superior standards with a 10-year shelf life and individual date coding for efficient stock management. Trusted by global manufacturers, Procell batteries deliver reliable power in any environment from -20°C to 54°C.