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X8 - 18L

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The X8 - 18L is the epitome of versatility and functionality for ultra-distance racing, fast and light hikes, and multi-season adventures. Designed with the utmost attention to detail, this pack offers unparalleled performance across a variety of challenging environments. With an impressive volume of 18 litres and a lightweight design of just 546 grams, the X8 - 18L ensures you can carry all your essential gear without unnecessary bulk. Its one-size-fits-all design is fully adjustable, ensuring a perfect fit for any adventurer.

Product Features

  • Unrivaled Versatility
  • Lightweight
  • Adjustable Fit
  • Ample Storage
  • Easy Access
  • Hydration Solutions
  • Weather Resistant
  • Gear Attachment
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Select Type: X8 - 18L
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Product Description

Crafted for maximum accessibility and convenience, the X8 - 18L features a large back door, providing instant access to the main compartment and a clear view of your internal items. This eliminates the hassle of rummaging through your pack to find what you need. The shoulder straps and back panel are constructed from a single piece of 3D mesh, preventing irritation and chafing during prolonged use. With three pole attachment options and fixtures for an ice pick and shovel, this pack is ideal for navigating diverse terrains and climates.

The X8 - 18L excels in frontal storage solutions, featuring two 600ml soft flasks or bottles, two extra-large vertical zipped pockets, two extra-large stretch mesh pockets, and two zipped shoulder pockets. These features provide ample space for hydration, snacks, navigation tools, and other essentials you need to keep within easy reach. The soft flasks are particularly noteworthy, offering a convenient hydration solution that can be easily accessed on the go.

On the dorsal side, the X8 - 18L boasts a weather-resistant main compartment made of durable Cordura© Nylon 6.6 ripstop fabric. This compartment offers over 9 litres of storage capacity, ensuring your gear remains dry and protected in adverse weather conditions. Additionally, an independent 2.5-litre water bladder pocket keeps your hydration system secure and separate from other items. The top and bottom horizontal stretch mesh pockets provide further organisational options, while the capability to carry a sleeping mat or tent underneath enhances its suitability for multi-day expeditions.

The X8 - 18L is available with or without the Instinct Hydra Cell 600ml soft flasks, giving you flexibility in terms of hydration solutions. This adaptability ensures that you can tailor the pack to your specific needs, whether you're embarking on a short trail run or a multi-day hike. The innovative design and robust construction make the X8 - 18L a reliable companion for all your outdoor adventures.

Whether you are tackling a mountain summit, navigating through dense forests, or enduring harsh weather conditions, the X8 - 18L provides the functionality and comfort you need. Its comprehensive features, combined with its lightweight and durable construction, ensure that you can focus on your adventure without being weighed down by your gear. Experience the freedom and efficiency that come with the X8 - 18L and elevate your outdoor pursuits to new heights.

  • Unrivaled Versatility: Suitable for ultra-distance racing, fast/light hikes, and multi-season adventures.
  • Lightweight: Weighs only 546g, reducing overall load.
  • Adjustable Fit: One size fits all, fully adjustable to ensure comfort for all users.
  • Ample Storage: 18L volume with multiple pockets and compartments for organised packing.
  • Easy Access: Large back door for instant access and clear visibility of internal items.
  • Comfort: 3D mesh shoulder straps and back prevent irritation and chafing.
  • Hydration Solutions: Includes 2 x 600ml soft flasks, with an independent 2.5L water bladder pocket.
  • Weather Resistant: Main compartment made of durable Cordura© Nylon 6.6 ripstop fabric.
  • Gear Attachment: Multiple attachment points for poles, ice picks, shovels, and sleeping mats or tents.
Delivery / Returns FREE UK Delivery orders over £30,00, Next Day Service + FREE UK Returns

Shipping Information - Details

UK Standard Delivery - This means that your goods will be processed as normal and shipped by Royal Mail 48. Ordered goods will usually arrive within 3 - 5 working days for most of the UK mainland. Baskets with a total value (before vouchers and promotional codes are applied) of £30.00 and over will qualify for FREE UK delivery.

UK FREE Delivery - to all of the UK on almost every product, as long as your total basket value is greater than £30.00 (delivery charges are applied to baskets with a total value of less than £30.00). - All FREE Delivery order will be sent via (UK) STANDARD SHIPPING (Royal Mail 48)

Need it Quicker? - Select DPD Next Working Day or Fast Delivery at checkout - Orders will be processed as normal and shipped by either DPD for Next Working Day service (excluding weekends) or the Royal Mail Tracked 24 service, ordered goods will usually arrive within (1 - 2 working days)


Return this item for free - If you change your mind on your purchase, you have a 30 days to return it for a refund or replacement subject to terms. All goods must be in new and unused condition and in their original packaging with all labels still attached

About Instinct

Born on the trails of the French Alps and race approved around the world.

Redefining a hydration pack comes from asking the right questions... introducing analytical observations & first hand experience in running the toughest conditions. At the heart of each revolutionary Instinct product is the desire to achieve a greater degree of function, accessibility and ergonomics; Total liberty of movement, zero obstruction and a second skin fit.