Hydrapak Skyflask Speed Insulated 500 ml water bottle 2025

Keep your water cool and avoid condensation on your bottles

An insulated version of our SkyFlask™ Speed 350 ml portable soft bottle, the SkyFlask IT Speed 350 ml features our IsoBound™ technology. Designed to keep liquids at an ideal temperature 38% longer than a standard bottle.

Insulated insulation
Prevents heat transfer from the user to the hydration system, the ideal solution for a wide range of outdoor endurance activities.

Adjustable dragon
The ideal portable solution for running, the adjustable strap tightens to fit different hand sizes.

Speedfill cap
Opens for quick refills and closes for a drip-proof seal.

Features

• Isobound™ insulation prevents heat transfer from the user to the hydration system, the ideal solution for a wide range of outdoor endurance activities.
• The ideal portable solution for running, the adjustable strap tightens to fit different hand sizes.
• The SpeedFill™ cap opens for quick filling and closes for a drip-proof seal.
• The four-layer design offers users more structure, a better grip and a comfortable, sweat-free carrying experience.
• The compressible design shrinks as you drink, reducing water movement, and stores easily in your pocket when empty.
• The soft material adapts to your hand and the precise fit means you can run with a relaxed hand while still safely retaining water.
• The high-flow valve closes automatically after each sip, eliminating annoying drips.
• The standard 42 mm wide opening allows you to easily fill the Softflask with ice and drink mixes.
• Made of ultra-durable, abrasion-resistant TPU. RF welded seams for superior durability and elasticity.
• Can be frozen or filled with hot water (max. temperature 60°C / 140°F), 100% BPA and PVC-free.
• Capacity500 ml