Frontier Ultralight Collapsible Cup YakAttack Cellblok taking to the gym

taking to the gym

Easy one-handed operation filters one liter in a mere 60 seconds

for accessory mounts using 1” RAM ® ball

The drawcord channel has a contrasting color

Frontier Ultralight Collapsible Cup YakAttack Cellblok taking to the gymBuilding on over a decade of experience in collapsible drinkware, the Frontier Collapsible Cup has been engineered to be sleeker, more ergonomic and lighter. Glass reinforced nylon 66 is used for the base, rim and center ring providing more stability and allowing you to grip the cup more easily. EU food grade silicone rubber sidewalls let the cup shrink down to less than 2cm in height. Collapses flat to less than 2cm thick Frontier Cups fit into your