Stormtech VRN-1LE Aeronaut Backpack 25 - Graphite Color:Graphite A reinforced wound rubber bladder

A reinforced wound rubber bladder provides better air retention and durability so you the ball retains it’s shape and won’t have to reinflate as often

with 1/100 second precision and a lap counter

Featuring a Thermal Shell polyfill

allowing you to comfortably build muscle and tone your legs whether you are a beginner or pro

85 oz/yd2 (USA) / 300gsm (CDN)

Stormtech VRN-1LE Aeronaut Backpack 25 - Graphite Color:Graphite A reinforced wound rubber bladderStormtech VRN 1LE Aeronaut Backpack 25 Graphite Intelligent weather protection. The Aeronaut 25 Waterproof Backpack protects your laptop and other valuables by keeping the wet out with waterproof zipper closures and reinforced waterproof layer. With ergonomic, adjustable shoulder and sternum straps as well as a padded airflow back panel. This pack keeps you comfortably cool and organized. The Aeronaut Backpack 25 also features an RFID blocking pocket