Collapsible Flask HydriamX 28 mm | CNOC

HydriamX Collapsible Flask 28 mm – Cnoc Outdoors

A collapsible water bottle that can handle boiling water.

The HydriamX is a soft, collapsible, and reusable hydration flask. It’s ideal for carrying liquids whether you’re trail running or mountaineering. Its lightweight and versatile design makes it perfect for transporting fluids wherever you need them.

Available in three sizes—350 ml, 500 ml, and 750 ml—you can easily choose the volume that suits your needs. All sizes fit comfortably into running vest pockets. Measurement markings on the back of the bottle help with cooking or tracking fluid intake.

The 28 mm thread is compatible with Sawyer filters and the Platypus QuickDraw.

Key Features

• Thicker material than the standard Hydriam – boil-safe
• Collapses flat when empty
• Lightest bottle in the Cnoc lineup
• Tapered shape fits snugly in running vest pockets
• Available in 350 ml, 500 ml, and 750 ml
• Cap is tethered to the bottle
• Compatible with 28 mm thread filters, including:
  • Sawyer Squeeze, Mini, Micro
  • HydroBlu Versa Flow
• Durable and strong – made from the same material as Vecto bottles
• FDA-approved, BPA-, BPS-, and BPF-free
• Materials: Body – TPU, Cap – PP
• Temperature range: –17°C to +100°C
• Made in China

⚠️ Note: TPU is a porous material and may retain some odor from manufacturing. We recommend washing and airing the bottle before first use.

Technical Specs

350 ml

• Weight: 24 g / 0.85 oz
• Rolled: 7.5 × 4 × 4 cm / 3.5 × 1.5 × 1.5 in
• Full: 20 × 9 cm / 8 × 3.5 in

500 ml

• Weight: 29 g / 1 oz
• Rolled: 7.5 × 4 × 4 cm / 3.5 × 1.5 × 1.5 in
• Full: 25 × 9 cm / 10 × 3.5 in

750 ml

• Weight: 33.9 g / 1.2 oz
• Rolled: 10 × 4 × 4 cm / 4 × 1.5 × 1.5 in
• Full: 28 × 10 cm / 11 × 4 in

The HydriamX is the perfect choice for hikers, runners, and anyone who values lightweight, practical hydration solutions.

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