Designed for the minimalist runner, the Hydrapak SkyFlask™ Speed features an adjustable, ambidextrous, sweatproof hand strap and an innovative, padded thumb loop to hold the flask securely without gripping or squeezing.

The generous SpeedFill™ Cap allows for quick refills on the go with enough room to add ice or drink mixes and the clever shrink-while-you-drink design means the SkyFlask™ Speed can fit in a pocket when empty.

• Adjustable hand strap
• Compressible design shrinks as you drink
• High flow bite valve auto-seals after each sip, eliminating annoying drips
• Large opening lets you fill the SkyFlask™ easily with ice and drink mixes
• Ultra durable, abrasion-resistant TPU and RF welded seams for superior durability and elasticity
• 100% BPA & PVC FREE