Portable Potables Running for an hour or more? Carry fluids. Advertisement - Continue Reading Below. Fitletic Quench Retractable Hydration Belt Two retractable pockets unfold to carry bottles. Toggles for a bib mean you can race with it. ($49, fitletic.com) Salomon S-Lab Sense Set A light vest made of breathable mesh keeps you cool, while two collapsible water flasks in front pockets let you lean in to sip. ($120, salomon.com) Mountainsmith Dart TLS Lumbar Belt The classically styled Dart TLS (Technical Lumbar System) secures your bottle low, stable, and angled for easy retrieval. ($35, mountainsmith.com) Avex Brazos Autoseal Stainless Water Bottle This 24-ounce stainless steel Avex bottle has a spill-proof system that lets you take a sip with a one-handed squeeze. ($30, avexsport.com) Salomon Park Hydro Handset The soft-sided 18-ounce flask collapses as you drink, while the stretchy glove/strap system has small pockets to hold stuff. ($42, salomon.com) Camelbak Circuit Vest Camelbak's lightest pack holds 1.5 liters with a tube and bite valve. Mesh panels allow the reservoir to cool your back. ($85, camelbak.com) Nathan Speed Draw Plus Insulated This ergonomically shaped, insulated, reflective (!) 18-ounce bottle comes with an adjustable hand strap and a big pocket. ($35, nathansports.com) Fuelbelt Helium H30 A foam belt distributes three 7-ounce bottles around your waist. Its plastic holsters provide easy yet secure access. ($52, fuelbelt.com)