Salomon Soft Reservoir, Soft Flask XA Filter – Gravity Coalition
Adding straws to Salomon Softflasks - YouTube
Salomon Soft Flask Speed Straw | Gone Running
Salomon Soft Flask Straw, Compatible with all Salomon Soft Flask, with 28mm diameter, Perfect for Running, Hiking, Ski and Snowboarding, Blue : Amazon.co.uk: Sports & Outdoors