Speedsok
Keep fluids cold with the SpeedSok. This neoprene sock fits securely over your Speedfil Hydration System to provide an easy solution to maintaining cold fluids.
Length: 10 in. (25.5 cm)
Width: 6.5 in. (16.5 cm)
Thickness: 0.15 in. (4 mm)
Weight: 37 grams
Material: = 2 mm Neoprene