About the Fluid:

Tear-Off Laminated Sealed

The Hydrofusion™ tube is durable and lightweight with built-in foam insulation

The Backfire filter includes a laminated layer of backire-retardant foam

Alpinestars - 2019 Tech Short Sleeve Shirt Design:Black/Red About the Fluid:Lightweight, quick drying and breathable, the Tech Top Short Sleeve Summers wicking fiber is perfect for keeping the rider cool when the temperature rises. Designed to be worn as a standalone item which sits snug against the skin without being intrusive, it can also be used as part of a layering system in cooler conditions. The short sleeve construction also makes it easier to put on and remove jackets and leather suits. Features Ultra lightweight,