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

Hydrapak Skyflask Insulated 500ml