Sea To Summit Frontier UL Collapsible Cup heating 8mm thick upper to keep

8mm thick upper to keep you as dry as possible

Hollow ground

Made from material derived from 50% waste plastic (using ISCC certified mass balance)

The Leatherman Arc features a knife blade made from CPM MagnaCut steel

80% Australian Merino Wool

Sea To Summit Frontier UL Collapsible Cup heating 8mm thick upper to keepBuilding 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 centre 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. Designed to nest stack, these cups really do fit in anywhere.