UltrAspire 550 Race 2.0 Handheld Bottle fjr we asked Compressport runners to

we asked Compressport runners to tell us exactly what they liked

Fully seam-sealed to enhance waterproofing

If you tend to carry a lot on the outside of your backpack

29% Drymax/Olefin

Interior mesh organizer and key clip

UltrAspire 550 Race 2.0 Handheld Bottle fjr we asked Compressport runners toThe 550 Race 2. 0 Handheld improves upon the successes of its first iteration. UltrAcool Light Mesh has been added for improved breathability and durability. Soft perimeter binding ensures the handheld remains comfortable over the long haul. The design keeps the handheld contour to the shape of our 550 UltraFlask hybrid bottle. The adjustment is quick and easy with no slip once set to your preferred size. A protective taping has been added to the end