Battery duration depends on your power bank capacity and selected temperature setting. At medium heat, most 10,000mAh power banks provide 6-8 hours of continuous warmth, ensuring all-day comfort during outdoor activities.

Yes, the vest features water-resistant materials suitable for light rain and snow. However, remove the power bank before exposure to heavy moisture and ensure all connections are properly sealed for optimal protection.

The intuitive control button cycles through three temperature settings: low (95°F), medium (113°F), and high (130°F). LED indicators display your current setting, making adjustments simple even while wearing gloves during activities.

Consult our detailed sizing chart and measure your chest circumference. The ToasiFire Heated Ski Vest fits true to size with options from S to 6XL, accommodating various body types comfortably over light clothing layers.

Remove the power bank and cables, then machine wash on gentle cycle with cold water. Air dry completely before reconnecting components. This simple maintenance process preserves heating elements and extends vest longevity significantly.

Any standard 5V/2A USB power bank works effectively. We recommend 10,000mAh or higher capacity for extended use. Ensure your power bank has quality certification for safe, reliable operation with your ToasiFire vest.

The versatile design works both ways. Wear it as an outer layer for maximum heat retention or under jackets for discreet warmth. The slim profile ensures comfortable layering without bulk or restriction.

The advanced carbon fiber elements reach optimal temperature within 3-5 minutes of activation. You'll feel noticeable warmth almost immediately, with full heating coverage achieved quickly for instant comfort in cold conditions.