Our Heated WORKSKIN™ Midweight Base Layer is powered by our REDLITHIUM™ USB Battery Technology with carbon fiber heating elements to create and distribute heat to the chest and back. A one-touch LED controller allows you to select from two heat settings, delivering ideal heat for any environment. The Quick-Heat function allows you to feel heat 3X faster in the chest and upper back heating zones. Combining a double-lined polyester body and fleece-lined arms, the Heated MILWAUKEE® WORKSKIN Midweight Base Layer provides a versatile layering piece for total body warmth. This battery heated shirt features raglan sleeves and seamless shoulders for an improved range of motion and comfort while working. This heated base layer kit includes, (1) Heated WORKSKIN™ Midweight Base Layer, (2) REDLITHIUM™ USB 3.0Ah Battery (48-11-2131), (1) REDLITHIUM™ USB Battery Controller/Charger (50-59-2005), and (1) 3ft Micro-USB Cable and 2.1A Wall Charger (48-59-1202).


405B, 405B-20S, 405B-20M, 405B-20L, 405B-20XL, 405B-20XXL, 405B-203XL, 405B-21 - USB Rechargeable Heated WORKSKIN Midweight Base Layer

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  • Quick Heat Function. 3X Faster Heat
  • Midweight construction keeps body warm and dry
  • Fleece Lined arms provide total body warmth
  • Raglan sleeves and seemless shoulders provide improve mobility and comfort
  • Pilling resistant fabric extend product life
  • Washer and dryer safe
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Battery Specifications

Product Specifications

Cuff Type Hemmed
Heat Elements Chest|Back
Heat Settings Yes
Run-Time Core Zone Only 3 hr
Tool Warranty 1 Year Limited Warranty
Power Source Cordless
Length 3.3125 in
Weight 1.666 lb
Height 12.25 in
Width 6.75 in
Body Material Polyester
Heated Gear Warranty 1 Year Limited Warranty
Hooded No
Inner Material Polyester
Insulated No
Outer Material Polyester
Washing Yes