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316 stainless outdoor flask

Planning your next adventure? Stay hydrated in style with our premium 316 stainless steel outdoor flask. This isn't just any flask; it's a meticulously engineered companion designed for the harshest environments. Crafted from superior 316-grade stainless steel, it offers exceptional corrosion resistance, far surpassing the common 304 variant you might find in a standard 304 detachable insulated bottle. The real innovation, however, lies in its unparalleled versatility. The entire unit features a clever detachable lid insulated bottle design, allowing for effortless, thorough cleaning—no more struggling with hard-to-reach corners. For varied drinking preferences, it can be configured as a convenient detachable straw outdoor cup or used with the standard sipping lid. Best of all, every component is engineered to be a dishwasher safe detachable cup, making post-adventure cleanup a complete breeze. Discover the ultimate fusion of rugged durability and user-friendly design.


The 316 Stainless Outdoor Flask is built to be the most reliable piece of gear in your pack. Its core is constructed from 316 surgical-grade stainless steel, a material chosen for its superior resistance to pitting and corrosion from chlorides, making it ideal for coastal hikes, salty drinks, or harsh cleaning agents. This high-performance alloy ensures your beverage tastes pure, with no metallic aftertaste, flask after flask. The advanced vacuum insulation technology is at the heart of its performance. It creates a powerful thermal barrier that keeps liquids ice-cold for up to 24 hours or piping hot for over 12 hours. Whether you're scaling a mountain under the summer sun or setting up camp in freezing temperatures, your drink will always be at the perfect temperature. The flask's exterior features a rugged, powder-coated finish that provides a secure grip, resists scratches, and adds an extra layer of protection against the elements, all while maintaining a sleek, professional look.

Detailed Specifications: 316 Stainless Outdoor Flask

  • Primary Material: 316 Surgical-Grade Stainless Steel (Inner & Outer Wall)
  • Insulation: Double-Wall Vacuum Insulation
  • Capacity: 20 fl oz / 590 ml
  • Height (with lid): 10.2 inches / 26 cm
  • Diameter: 2.8 inches / 7.1 cm
  • Weight: 12.3 oz / 350 g
  • Lid Type: Leak-Proof Screw Top with Detachable Straw Option
  • Finish: Durable Matte Powder Coat
Feature Benefit Performance Metric
316 Stainless Steel Construction Maximum corrosion & pitting resistance; no flavor transfer Ideal for saltwater, acidic drinks, and aggressive environments
High-Efficiency Vacuum Insulation Maintains desired beverage temperature for extended periods Keeps cold for 24h, hot for 12h (under standard test conditions)
Fully Detachable, Dishwasher-Safe Design Unmatched ease of cleaning and maintenance All components are top-rack dishwasher safe
Leak-Proof Seal Secure transport in backpacks without risk of spills Tested to withstand pressure and movement
Ergonomic Powder-Coated Grip Secure, comfortable hold in wet or cold conditions Scratch-resistant and provides thermal insulation for hands

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