UltrAspire Spry Adult Unisex Lightweight Running Race Vest - 4.0 Blue/Sky, Universal Size with Bladder - 1 L Reservoir

• Technologies: ErgoFit Design, MaxO2 Sternum System, UltrAcool Mesh System
• Sizing Range: Universal. One size fits most.
• Total Volume: 214 c.i. (3.5 L). 4-way stretch mesh designed to expand or compress to the load and is built to carry a 1 liter reservoir. INCLUDED
• Max 02 sternum for unrestricted breathing while maintaining a stable pack. Uses shock cord with good stretch for unrestricted breathing but also good rebound on the stretch for a stable ride. Magnon pocket for sweat-free pills. With automatic magnetic closure for rapid access to pills and other essentials.
• Weight: 6.4 oz (181g) / without Bladder

The Spry 4.0 race vest is a minimalist pack that can be utilized in a variety of settings. The improvements on the award winning Spry series improve functionality, comfort, and durability. For capacity, the front harness pockets have been updated to accommodate a variety of hydration or gear comfortably and securely. The back panel has a sweat-proof liner under polyester mesh to keep the contents in the main compartment dry but still breathable during longer adventures. A sweat-proof zippered pocket alongside the main compartment allows for storage of items you want secure and dry. The main compartment is a 4-way stretch mesh designed to expand or compress to the load and is built to carry a 1 liter reservoir. The magnetic closure on the main compartment keeps contents secure and provides quick accessibility. The back panel also features a shock cord to carry additional clothing if needed. The UltrAcool Light Mesh on the shoulders and harness of the spry 3.0 make the pack very durable and incredibly lightweight. One size fits most.