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.
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.