The VoltLaye heats up in just 60 seconds using advanced graphene technology. You'll feel noticeable warmth almost immediately after pressing the power button, with full heating achieved within one minute.

The vest requires a 5V/2A USB power bank (not included). Most standard portable chargers work perfectly. A 10,000mAh battery typically provides 6-12 hours of warmth depending on your selected temperature setting.

The vest features unified heating control across all 21 zones with three temperature levels. While zones heat simultaneously, you can select low, medium, or high settings to customize overall warmth based on conditions.

Yes, the VoltLaye features water-resistant construction that protects against light rain and snow. However, remove the power bank before any washing or prolonged water exposure to maintain optimal electrical safety.

Battery life varies by temperature: approximately 10-12 hours on low (36°C), 8-10 hours on medium (45°C), and 6-8 hours on high (56°C) with a 10,000mAh power bank for all-day comfort.

Absolutely! Remove the power bank, place the USB connector in the interior pocket, and machine wash on gentle cycle. You can also hand wash with neutral detergent. Air dry completely before use.

Refer to our detailed size chart for accurate measurements. The vest fits true to size with a regular cut. Consider your typical shirt size and whether you'll wear it alone or layered under jackets.

Perfect for all outdoor activities! The lightweight, flexible design doesn't restrict movement during hiking, skiing, camping, or sports. The 21 heating zones keep your core warm while you stay active in cold conditions.