What size is this heated base layer shirt?

This model is size L. It is designed as a fitted base layer featuring raglan sleeves for full mobility while working.

Which battery and charging accessories are included?

The package includes one Milwaukee L4 B3 3.0 Ah Redlithium USB battery, a USB cable, and a wall plug adapter.

Where are the heating zones located?

The carbon fibre heating elements distribute heat evenly across the chest and back.

What is the battery runtime on a full charge?

With the included L4 B3 battery, it provides up to 180 minutes of heat on the low setting and 90 minutes on high.

Is this heated base layer machine washable?

Yes, it is machine washable. Always disconnect and remove the battery from its pocket before washing.

MILWAUKEE L4 HBLB-301 USB rechargeable heated workskin base layer black - 4933478083 MILWAUKEE 4933478083

Name: MILWAUKEE L4 HBLB-301 USB rechargeable heated workskin base layer black - 4933478083
Brand: MILWAUKEE
SKU: 166052
Price: 171.98 EUR
Availability: PreOrder

Supplier number: MILWAUKEE 4933478083 | EAN 4058546340162

Recommended Retail Price €194.61

171.98 tax incl.

€142.14 excl. VAT (incl. all environmental contributions)

Clothing size *

Stock is shown per size

S On backorder M On backorder L On backorder XL On backorder XXL On backorder

In stock On backorder Unavailable

On order: delivered from 17/11/2026

Ordered before 20:00 - delivered as of 17/11/2026
Free shipping
Delivery by DHL

✆ Talk to a specialist

Active warmth with Milwaukee

Practical benefits

Targeted heat on demand: You control 2 heat settings via the one-touch LED button to warm your chest and back.
Unrestricted movement while working: Raglan sleeves and seamless shoulders ensure you stay fully mobile and comfortable throughout the workday.
Durable machine washable fabric: The pilling-resistant mid-weight construction keeps you dry and can be cleaned in the washing machine.

In a nutshell

The right choise for

With the Milwaukee L4 HBLB-301 heated workskin base layer in size L, you stay warm and focused when working in freezing outdoor conditions or cold storage facilities. Designed as a fitted mid-weight layer, it eliminates bulky clothing by delivering active heat to your chest and back via carbon fibre heating elements. The one-touch led controller lets you select between 2 heat settings for up to 180 minutes of run time. Raglan sleeves and seamless shoulders ensure unrestricted mobility throughout the workday. The durable, machine washable anti-pilling fabric keeps you dry and comfortable. Supplied complete with one L4 B3 3.0 Ah Redlithium usb battery, a usb cable, and a wall plug adapter.

Product information FAQ

€171.98

tax incl.

Key features according to our expert

Supplied as standard

1 x L4 B3 Battery pack
USB cable and wall plug
No kitbox or bag supplied

Product description

Mid-weight construction out of durable, pilling resistant material, keeps body warm and dry
Fully heats-up in 2.5 min
Heat is created and distributed to the chest and back
Powered by L4 USB rechargeable REDLITHIUM battery pack
A one-touch LED controller allows the user to select from 2 heat settings, delivering ideal heat for any environment
Durable, pilling resistant material with raglan designed sleeves and seamless shoulders for improved mobility and comfort
Superior run time - Up to 180 min of heat on low level
L4 battery holder - concealed battery pocket for minimal user interference
Machine washable

All Features

Colour: Black
Size: L
Number of batteries supplied: 1
Voltage (v): 4
Battery type: Li-ion
Material: 100% Polyester
Weight (kg): 0.5

Brand MILWAUKEE
03167604
EAN 4058546340162
Supplier number MILWAUKEE 4933478083

Frequently asked questions about this product

Answered by specialists

What size is this heated base layer shirt?: This model is size L. It is designed as a fitted base layer featuring raglan sleeves for full mobility while working.
Which battery and charging accessories are included?: The package includes one Milwaukee L4 B3 3.0 Ah Redlithium USB battery, a USB cable, and a wall plug adapter.
Where are the heating zones located?: The carbon fibre heating elements distribute heat evenly across the chest and back.
What is the battery runtime on a full charge?: With the included L4 B3 battery, it provides up to 180 minutes of heat on the low setting and 90 minutes on high.
Is this heated base layer machine washable?: Yes, it is machine washable. Always disconnect and remove the battery from its pocket before washing.