This flexible flask compresses as it is emptied, to eliminate bouncing and sloshing, and won't leak until the nipple is bitten.
The Salomon soft flask manufactured by Hydrapak are flexible so compress as you drink to eliminate water bouncing/sloshing inside and reduce sucking effort. Easy to squeeze - with bite valve. Carry this soft water/gel flask in your hand, shorts pocket or race vest pouch. Carry gels, water, electrolytes and other fluids such as milkshake.. The compact / space-saving and lightweight solution to carrying your hydration/electrolyte/nutrition fluids.