Vacuum Flasks & Insulated Bottles for Outdoor Adventures

Keep drinks hot or cold through every adventure

Whether you're on a long hike, a day trip, or a chilly winter expedition, a reliable vacuum flask is an indispensable companion. Primus flasks are designed to maintain your drink's temperature for hours, thanks to premium materials and advanced vacuum insulation.

Crafted from durable materials with smart features, they're built for all types of adventures - from challenging terrain to relaxed camping trips. Easy to use and utterly dependable, a Primus flask lets you enjoy:

• Steaming coffee on frosty winter days 
  
• Icy-cold refreshments in summer heat

The rugged construction withstands tough conditions, while the thoughtful design works equally well for wilderness adventures and daily commutes.

Premium Vacuum Flask with Long-Lasting Temperature Retention

Primus vacuum flasks are crafted from stainless steel with double-wall vacuum insulation, ensuring exceptional temperature retention. Hot drinks stay warm for hours, while cold drinks stay chilled even longer.

Built with a hardwearing design, these flasks withstand rugged outdoor use while remaining lightweight enough for everyday carry. Whether you're in the wilderness or at the office, your drink will maintain the perfect temperature.

Why Choose a Primus Vacuum Flask?

• Superior insulation – Keeps drinks hot or cold for extended periods
• Rugged construction – Made from high-grade stainless steel
  
• Lightweight & compact – Easy to pack for any adventure
  
• Leakproof seal – Safe for backpacks or briefcases
  
• Ergonomic lid – Glove-friendly operation in all conditions

How Vacuum Insulation Works in Thermos Flasks

Primus flasks feature double-wall vacuum insulation - a vacuum-sealed gap between two steel walls that blocks heat transfer. This advanced engineering keeps drinks piping hot or refreshingly cold for hours, whether you're on a windswept peak or enjoying a British summer day.

Choosing the Right Vacuum Flask

Primus offers flasks in:

• Classic stainless steel - Timeless and durable
  
• Powder-coated matte finishes - Better grip and weather resistance
  
• Vibrant colours - For those who want to stand out on the trails

Find Your Perfect Match:

• Compact flasks for commuting and day hikes
  
• Large-capacity options for family outings
  
• Expedition-ready models for mountain adventures

Popular Models:

• TrailBreak Vacuum Flask – The perfect choice for longer adventures, offering rugged reliability.
  
• Klunken Vacuum Flask – A sleek and practical flask that works just as well in the city as on the mountain.
  
• Preppen Vacuum Flask – A versatile flask designed for both drinks and meals.

Pair Your Vacuum Flask with the Right Cookware

For a complete outdoor dining experience, combine your flask with essential camp kitchen gear:

• Camping stoves – Quickly heat meals and drinks anywhere
  
• Compact cooksets – Lightweight and space-saving
  
• Insulated food jars – Keep meals hot for hours

With the right kitchen-ware , you’ll enjoy hot drinks and meals all day – whether it’s morning coffee or a hearty post-hike soup. A quality vacuum flask paired with an efficient camping stove gives you maximum flexibility in the wild.

Food Flask – The Smart Choice

Beyond keeping drinks hot or cold, a vacuum flask is excellent for transporting meals. A sturdy food flask lets you enjoy hot, home-cooked food anywhere - whether in the woods, on the fells, or during long workdays.

Using a food flask gives you freedom to eat healthy homemade meals on the go while reducing single-use packaging - better for you and the planet.

Find Your Perfect Flask Today

Whether you need a flask for:

• Hot brews on mountain hikes
  
• Iced drinks at the beach 

Primus offers durable, high-performance flasks for every adventure.

FAQ About Our Flasks:

How long do Primus flasks retain heat?

Our double-wall vacuum insulation keeps drinks hot for up to 24 hours (varies by model and conditions).

Are the flasks dishwasher safe?

Most Primus flasks recommend handwashing to preserve insulation and material integrity.

Which size should I choose?

• 0.5L: Ideal for day trips
  
• 1L+: Best for longer excursions