Experience Ultralight Hydration on Every Trail
Designed for those who want to go further, the Hydro Flask 40 oz Trail Seriesâ„¢ delivers maximum hydration with significantly less weight. This Obsidian edition features a sophisticated dark matte finish and an engineered construction that is 20% lighter than our standard wide-mouth bottles, making it the perfect companion for long-distance treks and backcountry adventures.
Visual & Design Details
The bottle showcases a sleek Obsidian colorway, offering a professional and rugged aesthetic. The lightweight design is complemented by a flexible perforated strap and aluminum pivots on the cap, specifically optimized to reduce weight without compromising durability. The wide-mouth opening is designed for easy filling and compatibility with most backcountry water filters.
Key Features:
- 20% Lighter: Innovative stainless steel design reduces weight while maintaining high-capacity volume.
- TempShield® Insulation: Double-wall vacuum technology keeps beverages ice-cold for up to 24 hours and piping hot for up to 12 hours.
- 18/8 Pro-Grade Stainless Steel: Ensures pure taste and no flavor transfer with a durable build.
- Optimized Portability: Perforated strap and aluminum pivots minimize bulk for streamlined carrying.
- BPA-Free: Safe, clean hydration for every excursion.
Specifications:
- Brand: Hydro Flask
- Volume: 40 oz (1182 mL)
- Colorway: Obsidian
- Style: Trail Seriesâ„¢ Lightweight Wide Mouth
- Weight: 14 oz














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