Beat the heat. Instant cooling. No batteries. Always ready.

Beat the heat, before it hits.
Sumoring is a reusable neck cooler, lightweight, battery-free and instantly refreshing.
Perfect for warm days, workouts or whenever you need to cool down.

• Instant cooling, exactly when you need it
• Reusable, again and again
• No batteries, no noise
• Freezes at just 18°C
• Always ready in your fridge or freezer