Warmth Designed for Real Work Engineered with five graphene fiber heating elements, this men's heated vest focuses heat on the chest, neck, back and waist — where core warmth matters most. Whether you're working outdoors or waiting on a morning shift, the vest heats up in under one minute to keep you productive. Smart, Safe Temperature Control Dual independent switches let you power zones separately for customized warmth. NTC temperature control keeps heat stable while built-in over-current and over-voltage protection adds safety. Choose Red (≈122°F / 50°C), White (≈104°F / 40°C) or Blue (≈86°F / 30°C). Portable Power, Ready for the Day Includes a removable 5V 10000mAh power bank (Type-C charging, ~5 hrs). Typical operating times (room temp): High ~3 hrs; Medium ~4.25 hrs; Low ~7.5 hrs. External battery makes travel, replacement and washing simple. Built Tough, Clean Easily Outer: 100% Nylon; Lining & Pockets: 100% Polyester. Two hand pockets and an internal pocket to secure the power bank. Machine washable — remove power bank before washing. Lightweight profile fits under jackets for layering. Who It's For & When to Wear It Perfect for workers (delivery, construction, maintenance), outdoor hobbies (fishing, hunting), commuters and travelers. Great practical gift for fathers, grandfathers, husbands, brothers or coworkers.