HydraPak SkyFlask — made for hydrogelHydraPak SkyFlask made for hydrogel is a hand held fuelling solution made specifically for Hydrogel Technology designed by HydraPak, exclusively for Maurten. SkyFlask allows trail and road running athletes to carry both Drink Mix and Gel 100 or Gel 160 together in one hand held tool when training and racing. On hand. On demand. Hand held fueling usually means making a compromise. Bringing either Drink Mix or Gel not both and losing that ability to