Nathan 18oz Soft Flask with Bite Top short performance fabric blend

performance fabric blend

When the temperature drops but you still need to move

At 7 liters

The wide platform adds stability where footing gets sketchy

Standard fit with an 8" inseam (Regular) offers solid coverage without feeling restrictive — available in Regular and Long lengths

Nathan 18oz Soft Flask with Bite Top short performance fabric blendBuilt for trail runners and endurance athletes who want no fuss hydration without the bulk, the 18oz Soft Flask is our pick for vest and belt systems. The pliable TPU body compresses as you drink, killing slosh and reducing bounce on long miles. A high flow bite valve seals automatically, so you stay moving without worrying about drips. 18 oz (500 ml) capacity fits standard front vest pockets and running belts compresses down as fluid drops to cut