Keep your water cool and prevent bottle sweat. An insulated version of our handheld SkyFlask™ 500ml soft bottle, the SkyFlask IT 500ml features our IsoBound™ technology. Engineered to keep fluids at an ideal temperature 38% longer than a standard flask.

Features:

• Isobound™ Insulation prevents heat transfer from the user to the hydration, the ideal solution for a wide range of outdoor endurance activities
• The ideal hand-held solution for running, adjustable strap cinches down to fit different hand sizes
• Leakproof, twist-locking cap allows for spill-free transport
• Four-layer design provides users with more structure, an enhanced grip, and a no-sweat, comfortable carrying experience
• Compressible design shrinks as you drink, reducing water movement and easily stores in your pocket when empty
• Soft material conforms to your hand and the precise fit means that you can run with a relaxed hand and still securely hold your water
• High-flow bite valve auto-seals after each sip, eliminating annoying drips
• Large standard 42mm opening lets you fill the Softflask easily 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 temp 60° C / 140° F), 100% BPA & PVC free