Camping drinkware designed to shrink down for minimal bulk while remaining practical for hot and cold drinks. The Sea to Summit Frontier Ultralight Collapsible Camp Cup uses food-grade, heat-resistant silicone to balance safety with portability. Will it save precious rucksack space without compromising everyday usability?
⚡ At a Glance
- • Packability: Collapses down to 17mm for pocket-sized stowage; 400ml capacity and weighs 53g
- • Best for: Backpackers, ultralight hikers and campers who need compact drinkware
- • Not ideal for: Users who require insulated mugs or larger capacity cups for extended use
A 400ml collapsible cup that folds to a slim 17mm profile for compact packing. Lightweight construction keeps bulk to a minimum on multi-day trips.
Ultra-compact stowage - thanks to collapsible silicone walls
Flexible silicone walls compress flat to a 17mm depth, allowing the cup to sit in small pockets or alongside other kit. The folding action reduces volume while preserving the drinking rim when opened.
Occupies very little pack space, making it straightforward to carry as primary drinkware on minimalist trips.
Safe for hot drinks - with BPA-free, food-grade silicone
Material is specified as BPA-free, food-grade silicone and is described as heat resistant and flexible. Food-safe composition reduces risk of chemical transfer when used for hot beverages.
Suitable for warm drinks and food contact, offering peace of mind for campers who prefer hot drinks in the field.
Stable drinking and scald protection - with rigid rim and nylon rings
A rigid rim combined with nylon rings maintains the cup’s shape when expanded, preventing the walls from collapsing at the lip. The structure helps keep hot liquid away from fingertips during use.
Makes pouring and sipping more reliable on uneven ground while reducing the chance of scalding fingers.
✨ The 4 Key Reasons for Sea to Summit Frontier Ultralight Collapsible Camp Cup
- BPA-Free Silicone – Safe food-grade material for direct contact with hot drinks
- Rigid Rim and Nylon Rings – Keeps mouth opening firm for confident sipping and pouring
- Heat Resistant Material – Handles warm beverages without losing shape or flexibility
- Compact Pot Compatibility – Stores neatly inside the 2L Frontier Collapsible Pot for organised packing
📋 Technical Details at a Glance
- Category: Camping cup
- Brand: Sea to Summit
- Model: Frontier Ultralight Collapsible Camp Cup
- Material: BPA-free, food-grade silicone
- Volume: 400ml
❓ Frequently Asked Questions
Q: Is the cup safe for hot drinks?
A: Yes, the cup is made from BPA-free, food-grade silicone and is described as heat resistant, suitable for warm beverages.
Q: How compact does it get when collapsed?
A: The cup collapses down to 17mm, making it pocket-sized and easy to stow in small spaces.
Q: How much liquid does it hold?
A: Capacity is 400ml.
🏆 Our Verdict
The cup suits backpackers and ultralight campers who need reliable, space-saving drinkware. Food-grade, heat-resistant silicone combined with a rigid rim and nylon rings delivers a safe, stable drinking experience. Durable, compact construction offers long-term usefulness for regular outdoor use.
