Hydro Flask 709ml Trail Wide Mouth Flask - Serpentine

Lightweight Trail Authority
Ultra-light 709ml wide mouth flask engineered 25% lighter for serious hikers and backpackers. TempShield® insulation and streamlined design deliver 24-hour cold retention without the weight penalty for extended trail adventures.
Core Benefits:

Performance: TempShield® double-wall vacuum insulation maintains cold beverages for 24 hours and hot drinks for 12 hours while 25% weight reduction enhances pack efficiency for long-distance hiking
Comfort: Wide mouth opening accommodates ice and backcountry filters while flexible perforated strap with aluminum pivots minimizes weight without sacrificing carrying convenience
Style: Streamlined lightweight design with durable stainless steel construction offers clean, trail-ready appearance that fits easily in pack while maintaining professional hydration performance

Technical Details:
18/8 pro-grade stainless steel with TempShield® vacuum insulation. 25% lighter construction with flexible perforated strap and aluminum pivots. Wide mouth opening fits backcountry filters. Leakproof when closed with BPA-Free construction.
Lighten your load. Layer trail.