⬇️ Running with soft flasks ⬇️ This tip is especially helpful if you’re traveling light or for shorter outings. All you need is: 1. A soft flask - I prefer the 20 oz by @NathanSportsInc because you can lock the straw. Soft flasks take up very little space in luggage which is ideal if you’re low on space or don’t want to spend money on water bottles for your runs while traveling. Pro tip: fill the bottle with air after each sip to keep the bottle compressed against your hand 2. A stretchy buff -