




Weight
The Frontier UL Collapsible Cup is a foldable mug/cup with a capacity of 400 ml and a weight of 53 grams, making it perfect for all kinds of travel. It can be easily folded into a compact flat shape just 17 mm high. Made from food-grade, BPA-free silicone, it withstands both high and low temperatures. Glass-filled nylon reinforcement on the rim, middle, and base helps maintain its shape and prevents potential finger burns.
Unique features that you won't find anywhere else.

The purpose of the Frontier Ultralight range by Sea To Summit is to bring lightness, comfort, reliability, and practicality to meal preparation and consumption of food during camping and outdoor activities. This range offers minimal weight without compromising quality or functionality.
The Frontier UL Collapsible Cup stands out for its compactness, thanks to its popular collapsible design. It can be easily folded into a compact flat shape just 17 mm high, making it perfect for all types of travel. Use it for morning coffee, drink chilled water during the day, and enjoy a cup of delicious tea in the evening.
The cup has a practical 400 ml capacity and weighs only 53 grams. Thanks to the use of food-grade silicone, it is also heat-resistant – ideal for both hot and cold beverages.


If you are unsure about which size or color to choose, or if you have any other questions, feel free to contact us via email or directly in the online chat. We are here for you.