Sea to Summit Frontier Collapsible Cup
Best ultralight drinkware for space conscious backpackers.
This ultra-lightweight vessel is the ultimate space-saver for minimalist adventurers. It collapses down to a mere 2cm, making it nearly invisible in a pack while providing a stable, heat-shielded grip for hot beverages on the trail.
$14.95
at
Bentgate Mountaineering
Who it's for
- Ultralight backpackers looking to maximize internal pack volume.
- Campers who prioritize safety and durability in their cookware.
- Thru-hikers counting every gram for long-distance treks.
Who should skip it
- Users who prefer the rigid stability of traditional metal mugs.
- Minimalists who use one vessel for both coffee and water.
- Winter explorers needing to keep drinks hot in freezing temperatures.
Performance breakdown
Packability
Collapses to a negligible footprint that disappears into any gear kit.
Weight Efficiency
Featherlight construction ensures it adds virtually zero burden to your pack.
Structural Stability
Rigid nylon rings prevent accidental spills while holding hot liquids.
Thermal Retention
Single-wall design loses heat quickly compared to vacuum-insulated alternatives.
Ease of Cleaning
Simple silicone surfaces wipe down easily, though crevices require occasional attention.
Ergonomic Handling
Stable grip, but lacks a handle for secure holding with gloves.
Key Specs
Capacity
12 ounces
Weight
1.9 ounces
Material
45% Glass Reinforced Nylon, 55% Silicone
Collapsed Height
Less than 2cm
BPA-free
Yes
Dishwasher safe
Not specified
Microwave safe
Not specified
Handle type
None
Lid included
No
Insulated
No
Know before you buy
Still have a question?
Ask Metto anything about the Sea to Summit Frontier Collapsible Cup before you decide.
