Sea To Summit | Frontier UL Collapsible Cup clean MSR Believes in What They

MSR Believes in What They Build

ultralight materials

Height-adjustable air core:  Customize for different sleeping positions

Minus33 | Ossipee Women's Crew 100% Merino Wool | Midweight

at some point

Sea To Summit | Frontier UL Collapsible Cup clean MSR Believes in What TheySea To Summit Frontier UL Collapsible Cup The Frontier Collapsible Cup is sleek, ultralight and as packable as ever. Building 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