Specifications:
Material 100% Polyester
Made of lightweight Windshark® 4-way stretch, waterproof, breathable windproof fabric
Optimal placement of the three heating panels keeps the upper body muscles warm and loose
Battery functions integrated 4-stage thermoregulating control elements
Includes a 7.4V rechargeable lithium-ion battery and charger
Provides up to 10 hours of comfortable warmth
Elastic forearm stretch inserts provide additional flexibility