Thermal Feature-Packed Design • Ultra-Minimalist Design With Ergonomically Contoured Bottle To Eliminate Hand Cramping • Breathable And Removable Thermal Sleeve Is Hand Washable • Expandable Zippered Pocket Fits Phone, Nutrition, Keys • Cushioned, Adjustable Handstrap With No-Slip Bottom Strap • Quick-Grab Zipper Pull • Reflective Pocket Detail • New Jett-Squeeze™ Cap For Quick Hydration