Keep fluids cold with the A2/F2 SpeedSok. This neoprene sock fits securely over your A2/F2 or any standard water bottle to provide an easy solution to maintaining cold fluids.
A2/F2 Speedsok
Length: 5.5 in. (14 cm)
Diameter: 2.9 in. (7.4 cm)
Weight: 15 grams
Material: 2 mm black neoprene