Why We Love It Lightweight, packable and built for movement, the AONIJIE Soft Flask is a simple hydration solution that you have been looking for. It slides neatly into most running vests and packs, shrinks as you drink, and keeps your focus on pace, not your gear. Talk Nerdy To Me The AONIJIE Soft Flask is made from durable TPU (Thermoplastic Polyurethane), offering flexibility with strength for repeated use. With a 450ml capacity, it comfortably carries water or your preferred hydration mixes during long endurance sessions. Designed to perform in temperatures from 0 to 40°C, it suits most training conditions, while the collapsible design reduces air intake as you drink, helping to minimise fluid movement. Fast Facts - 450ml soft flask capacity - Lightweight, wide-mouth design for quick, easy filling - Flexible TPU construction - Collapsible, reduces sloshing - Bite-valve - Fits most running vests - 0 to 40°C temperature range
