Injinji

At Up and Under in Cardiff, UK, we stock a wide range of Injinji toe socks and sock liners designed to enhance foot comfort, reduce friction, and boost performance for every adventure. Injinji’s patented five-toe design allows your toes to splay naturally, preventing blisters and promoting better posture and foot alignment. Whether you’re trail running, hiking, skiing, snowboarding, or training in the gym, Injinji socks offer exceptional support and breathability.

Based in California, Injinji is a global leader in performance socks engineered for movement and long-lasting comfort. Their technical toe socks are trusted by elite athletes at endurance events like the Western States 100-Mile Run, and they’re equally loved for everyday wear. Available in a variety of styles, weights, and colours, Injinji socks are perfect for sport, travel, and daily life. Visit our Cardiff store or shop online to find the perfect pair of Injinji socks at Up and Under - an official UK stockist.

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Injinji

Injinji Run Ultra Crew

The Injinji Ultra Run Crew Socks offer impact-absorbing cushioning, blister prevention, and moisture-wicking comfort. Ideal for road or trail running with a secure crew fit and breathable mesh top. Perfect for long runs and tough terrain.

From £17.82 inc. VAT

Injinji

Outdoor Midweight Mini Crew

The Injinji Outdoor Midweight Mini Crew socks are essential for trail enthusiasts, delivering comfort and performance for running and hiking in rugged terrains. With midweight cushioning and breathable mesh, they keep feet cool and dry, while the mini-crew height blocks trail debris. Made from Responsible Wool Standard (RWS) Certified Merino wool, they offer natural odour resistance, moisture management, and blister prevention. The unique toesock design promotes natural toe splay and alignment for enhanced stability and foot health. Combining durability, comfort, and eco-friendly materials, the Injinji Outdoor series is perfect for any outdoor adventure.

£22.00 inc. VAT £19.60 inc. VAT

Injinji

Liner Mini Crew

The Injinji Liner Mini-Crew is an ultra-thin, moisture-wicking toe sock designed for comfort and blister prevention during any activity. Featuring COOLMAX® EcoMade fibres and a five-toe sleeve design, it keeps feet dry, reduces friction, and allows natural toe alignment for optimal performance on all terrains. Perfect as a baselayer under cushioned socks or worn solo for lightweight comfort during warm-weather hikes or everyday wear, these versatile socks deliver the ultimate blend of protection and performance.

From £10.69 inc. VAT

Injinji

Snow Over the Calf

The Injinji Snow Over the Calf Socks have been built to keep your feet warm, dry and blister-free, even in the harshest winter conditions. Crafted with THERMOLITE® EcoMade fibres, these socks use your body’s infrared energy to generate heat and trap insulating air within hollow fibres, delivering exceptional warmth. The anatomical fit minimises friction, while the Over the Calf height offers extra protection against the elements. With targeted cushioning underfoot and around each toe, these socks provide a plush, comfortable feel that absorbs impact with every step. Perfect for cold-weather running, hiking and all outdoor activities.

From £23.17 inc. VAT

Injinji

Halloween Crew

Get ready to add a dash of spooky fun to your run with the Injinji Halloween Crew Socks! Perfect for long-distance runs and tough hikes over rugged terrain, these themed toe socks not only look cool, but they’re also designed for peak performance. The individual toe design reduces friction, helping prevent blisters while allowing your toes to splay naturally, giving you better control on narrow, uneven trails. The crew length sits high to keep out debris, while an arch band provides extra support. Made with moisture-wicking COOLMAX® EcoMade fibres and breathable mesh, they keep your feet cool and dry, while durable nylon and mid-weight cushioning offer comfort and protection with every step.

From £16.93 inc. VAT

Injinji

Spectrum Women's Run Lightweight No-Show

The Injinji Spectrum Women's Run Lightweight No-Show have been crafted with the female runner in mind! Perfect for every type of run, these ultra-lightweight socks feature a sleek, narrower design that hugs your feet for maximum comfort. With enhanced stretch and a thoughtfully redesigned toe area, you’ll experience unparalleled support and compression. Thanks to Injinji's innovative five-toe design, friction is a thing of the past, reducing the risk of blisters while allowing your toes to spread naturally for better balance on any terrain. Elevate your running experience with the ultimate in comfort and performance!

From £16.03 inc. VAT

Injinji

Halloween No-Show

The Injinji Halloween No-Show socks are a spooky twist on Injinji's lightest and most versatile running socks, perfect for all terrains and conditions. These socks feature Injinji's signature five-toe design, which helps prevent blisters by reducing friction and allows your toes to move naturally for a more responsive feel on uneven ground. Crafted with a soft and durable, seamless design, they offer a snug and secure fit. The breathable mesh top and COOLMAX® EcoMade fibres work together to keep your feet cool and dry, while an arch band provides extra support. With a no-show cut that sits below the ankle and a heel tab to prevent chafing and slipping, these socks are both functional and fun for your Halloween runs!

From £16.03 inc. VAT

Injinji

Artist Designed Women's Crew

The Injinji Artist Designed Women's Crew showcase unique designs from talented artists within the outdoor community, these designs are exclusive and each collection has been created by a new artist. Build on a women's crew silhouette, these cushioned toe socks help to prevent blisters and utilise Coolmax EcoMade fibres to wick away sweat and moisture. The height of the sock seals out any debris from the trail, whilst a narrower fit distinguishes the fit from that of the men's version.

From £16.93 inc. VAT

Injinji

Artist Designed Men's Mini-Crew

The Injinji Artist Designed Men's Mini-Crew, based on the Trail Mid-weight Mini-Crew, offers cushioned comfort, blister prevention and moisture-wicking with COOLMAX® EcoMade fibres. The double cuff blocks trail debris, and the narrower fit is tailored for women. Part of the exclusive Artist Designed series, the Alaska collection by Claire Van Winkle features vibrant colourways inspired by the beauty of Southeast Alaska.

From £16.03 inc. VAT

Injinji

Artist Designed Men's Crew

The Injinji Artist Designed Men's Crew socks combine the classic crew silhouette with enhanced cushioning to prevent blisters and COOLMAX EcoMade fibre technology to wick away sweat and moisture. The crew height helps keep out debris, making them perfect for the trail. Part of the exclusive Artist Designed series, these socks feature unique designs from talented artists within the outdoor community. This collection showcases the work of Claire Van Winkle, inspired by the stunning macro and micro beauty she encountered while guiding in Southeast Alaska.

From £16.93 inc. VAT

Injinji

Women's Liner + Hiker Crew

The Women's Liner + Hiker is a perfect sock set for every hiking adventure - from a quick day hike to a multi-day backpacking adventure. The Liner is an ultra-thin baselayer designed to wick away sweat from your foot - keeping it dry and comfortable. Since the toes are separated, skin on skin friction is eliminated, helping to prevent blisters.

From £23.17 inc. VAT

Injinji

Trail Midweight Crew

This is the sock for long runs and aggressive hikes on rugged terrain. Injinji's toesock design minimizes friction between the toes to help eliminate blisters, frees them to splay naturally, and lets you utilize your whole foot on narrow, uneven trails. The crew length rides high to seal out debris, and a band under the arch adds support.

From £16.93 inc. VAT

Injinji

Women's Trail Midweight Crew

Take on challenging terrain with confidence in the Injinji Women's Trail Midweight Crew Socks. Specifically designed for women, these performance socks wrap each toe in fabric to reduce friction, allowing natural toe splay for enhanced balance and grip on uneven trails. The crew-length design prevents debris entry, while an ergonomic fit ensures all-day comfort. Key features include COOLMAX® fabric and a breathable mesh top to keep feet cool and dry, durable nylon fibres for long-lasting wear, and midweight cushioning for superior protection. An integrated arch band provides added support for those demanding trail adventures.

From £16.93 inc. VAT

Injinji

Run Ultra No-Show

The Ultra Run from Injinji has every feature you'd expect from a long distance running sock, with the added bonus of being a toe sock. Separating out the toes removes skin on skin contact that can lead to blisters, and allows a more natural motion of the feet and toes.

From £16.03 inc. VAT

Injinji

Run LW No-Show

Say goodbye to blisters with Injinji Run toe socks. The Run series offers innovative, restriction-free movement and eliminates skin on skin friction, which is one of the primary causes of blisters.

From £13.37 inc. VAT

Injinji

Outdoor Midweight Crew

The Outdoor series by Injinji has been designed to provide the desired level of cushioning, stability, support and comfort for all outdoor activities, whether that's walking the dog, going for a weekend hike up Pen-y-fan or rambling in the Lake District. This is the perfect sock for all weather conditions. They are perfect for hiking, trekking or walking. The toe sock increases breathability, reduces blisters and are super soft.

From £21.38 inc. VAT

Injinji

Liner Coolmax Crew

There are many benefits to toe socks... Injinji socks are anatomically designed to your feet, and the five-toe sleeve design allows your toes to splay naturally and align properly, therefore enabling greater stability and more comfort. This also reduces toe chaffing, therefore preventing blisters and keeping your feet dry. This will only help you feel more comfortable, natural and free and could make you perform better- you never know!

From £11.58 inc. VAT

Injinji

Liner + Hiker Crew

The Men's Liner + Hiker is a perfect sock set for every hiking adventure - from a quick day hike to a multi-day backpacking adventure. The Liner is an ultra-thin baselayer designed to wick away sweat from your foot - keeping it dry and comfortable. Since the toes are separated, skin on skin friction is eliminated, helping to prevent blisters. The Hiker is worn over the Liner for increased cushion and protection. The Hiker mirrors the shape of your toes, providing more room and reducing bunching.

From £23.17 inc. VAT

Injinji

Trail Midweight Mini-Crew

The Injinji Trail Midweight Mini-Crew is designed specifically for trail and fell-running. Using a combination of fabrics and weaves that will both last for serious mileage and provide comfort from the extra padding over road versions. The double elastic cuff and mesh top lock keeps dirt and debris out whilst still allowing your foot to breathe.

Up to 50%
off RRP
From £9.00 inc. VAT

Injinji

Women's Trail Midweight Mini-Crew

The Injinji Women's Trail Midweight Mini-Crew have been engineered and cushioned to support those who run far and hike fast on shifting, uneven trails. These toe socks deliver both comfort and protection with agility and support. Built for long trail days, whether you're running or hiking, these socks are super comfortable and will be a pleasure to wear every day! The mini crew come up above ankle height.

From £16.03 inc. VAT

Injinji

Women's Run Ultra No-Show

The Injinji Women’s Run Ultra No-Show toe socks are the ultimate choice for long-distance runners, combining essential performance features with the unique benefits of a toe sock design. By separating each toe, these socks eliminate skin-on-skin friction to prevent blisters and promote a more natural, unrestricted movement of your feet and toes. Experience comfort, protection, and enhanced performance mile after mile.

From £16.03 inc. VAT

Injinji

Women's Run Light-Weight No-Show

This sock is designed for you female runners out there. Injinji have recognized that all feet are not the same, women's feet are generally narrower with an increased heel to toe stretch, so Injinji increased the two-way stretch to better stretch across a female’s foot arch and provide compression throughout the foot, they are also a narrower fit.

From £13.37 inc. VAT