Klein Tools Flame-Resistant Heated Base Layer Vest, Large

Klein Tools Flame-Resistant Heated Vest is constructed from ASTM F1506-compliant flame-resistant materials and designed to be worn as a lightweight base layer beneath outerwear. Four integrated heating panels on the left chest, right chest, upper back, and lower back distribute heat across key core areas for consistent warmth in cold-weather conditions. Three adjustable heat settings deliver up to 12 hours of runtime on low, 6 hours on medium, and 4 hours on high.

• ASTM F1506-compliant FR interior liner and ASTM 1891-compliant exterior shell meet jobsite FR PPE requirements for utility and electrical work
• Heating panels on the left chest, right chest, upper back, and lower back deliver heat across key core areas during cold-weather utility applications
• Three heat settings ranging from low to high deliver runtime of up to 12 hours on low, 6 hours on medium, and 4 hours on high for adaptable cold-weather performance
• Dual-battery system includes two rechargeable lithium-ion batteries, allowing one to power the vest while the second serves as a backup for extended all-day runtime on the job
• Durable waterproof softshell exterior withstands demanding field conditions while maintaining a lightweight, low-profile fit beneath outerwear
• Oversized zipper pulls support use with Class 2 gloves, and an adjustable waist cinch helps retain heat throughout the workday
• Three storage pockets provide convenient on-body storage for tools, accessories, and personal items during cold-weather utility applications
• To reduce the risk of accidental operation when not in use, disconnect the battery from the power cable and remove the battery pack from the Battery Zipper Pocket