Sea To Summit Frontier UL Collapsible Cup 355 ml Sulphur Yellow

The Sea To Summit Frontier UL Collapsible Cup is the ultimate companion for outdoor enthusiasts who value lightweight, space-saving gear. Made from food-grade silicone and a durable Nylon 66 rim, this cup collapses to just 22 mm for easy packing, yet expands to a full 75 mm height for enjoying hot or cold beverages on the trail. With a 355 ml (12 fl oz) capacity, internal measurement markings, and a cut-resistant base, it's designed for rugged use while being gentle on the environment—BPA-free and dishwasher safe. Perfect for camping, hiking, backpacking, and travel, it nests with other Frontier series products for compact storage.

Advantages

Ultra-lightweight at only 54 g, this cup saves precious space in your pack without sacrificing functionality. Its collapsible design allows it to flatten to 22 mm, making it easy to slip into a pocket or stuff sack. The food-grade silicone walls are flexible yet sturdy, while the Nylon 66 rim provides a rigid drinking edge. Internal measurement markings help you portion drinks or food accurately. The cut-resistant base adds durability, and the cup is safe for both hot and cold beverages. Dishwasher safe for easy cleaning, it's a sustainable choice for eco-conscious adventurers.

Suitable for

• Camping and car camping
• Hiking and backpacking
• Travel and road trips
• Picnics and outdoor events
• Everyday use at home or office

Key specifications

• Capacity: 355 ml (12 fl oz)
• Material: Food-grade silicone (walls/base), Nylon 66 (rim)
• Collapsed height: 22 mm
• Expanded height: 75 mm
• Diameter: 95 mm
• Weight: 54 g
• BPA-free: Yes
• Dishwasher safe: Yes
• Colour: Sulphur Yellow
• Series: Frontier UL

Recommendations

For best results, pair with other Frontier UL series items for a coordinated, space-efficient kitchen kit. Hand washing is recommended to prolong the life of the silicone, though the cup is dishwasher safe. Avoid using with sharp utensils to prevent damage to the silicone.