Extremely comfortable and practical soft water bottle. The SOFT FLASK 500ml / 17oz S / LAB 42 model has a new shape, allowing you to water quickly without losing a single second. The product was created by athletes with athletes in mind. The soft cone-shaped water bottle slides effortlessly into the pocket. The wide 42mm diameter plug and high flow valve allow for easy thirst quenching and refilling. The product is compatible only with the S / LAB PULSAR vest.