The Spry 3.0 is a minimalist race vest that can be utilized in a variety of settings and skill levels. The updates to the award winning Spry series improve functionality, comfort, and durability. The back panel now has a sweat proof liner under polyester mesh to keep the contents in the main compartment dry but still breathable during longer adventures. A new zippered sweat proof pocket has been included alongside the main compartment for items you want secure and dry. The main compartment is a 4-way stretch mesh designed to expand or compress to the load and carries a 1 liter bladder. A magnetic closure on the main compartment keeps contents secure and provides quick accessibility. The harness features 6 pockets that are accessible on the go making the Spry 3.0 perfect for a variety of adventures. The front hydration pockets will comfortably carry any of our bottles and each side has an elastic strap to hold bottle straws in place. The back panel includes a shock cord to carry extra clothing if needed. The UltrAcool Light Mesh on the shoulders and harness of the Spry 3.0 makes this pack very durable and lightweight. One size fits most.