When gearing up for your next hiking adventure, having reliable hydration and temperature control is non-negotiable. An insulated flask is a critical piece of kit, ensuring your hot coffee stays steaming during a chilly sunrise summit or your water remains refreshingly cool on a demanding trail. For those who value convenience and versatility, a wide mouth vacuum flask is indispensable. Its design allows for easy filling, cleaning, and even adding ice cubes directly. The core technology behind superior performance lies in the double wall stainless flask construction. This vacuum insulation creates a powerful barrier, significantly slowing heat transfer to maintain your beverage's temperature for hours. For the weight-conscious hiker who meticulously plans every ounce in their pack, a lightweight travel flask is the ultimate solution, offering premium insulation without the burden. Furthermore, when carrying larger volumes for group hikes or extended trips, a large flask with handle provides exceptional capacity combined with a secure and comfortable grip for easy transport over rugged terrain.

The TrailMaster Pro Insulated Flask is engineered to meet the rigorous demands of the outdoor enthusiast. Constructed from high-grade, BPA-free 18/8 stainless steel, it features a seamless interior that prevents flavor transfer and is incredibly durable. The advanced vacuum insulation technology, with a copper layer lining the inner wall, ensures temperature retention for up to 24 hours for hot liquids and 36 hours for cold. Its design is both sleek and functional, with a leak-proof screw lid that features a safety lock. The exterior has a powder-coated finish for a superior grip, even with wet hands or gloves. Below is a detailed breakdown of the TrailMaster Pro's specifications.

• Material: 18/8 Food-Grade Stainless Steel (Inner & Outer Wall)
• Insulation: Double-Wall Vacuum with Copper Lining
• Capacity: Available in 500ml, 750ml, and 1L sizes
• Lid Type: Leak-Proof Screw Lid with Safety Lock
• Exterior Finish: Anti-Slip Powder Coating
• Weight (Empty, 1L model): 480 grams
• Temperature Retention: Hot (24 hrs) / Cold (36 hrs)
• Warranty: Lifetime Limited Warranty