Sleeping BagKingcampSold by BroadOut

Kingcamp

KingCamp WHEATLAND 450 3 in 1 Heated Sleeping Bag

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Three-in-one Design

Functions as a mat, envelope

Includes Four

Graphene heating sheets in the

Three Heating

Levels: high, medium, and low

Whole Sleeping

Bag temperature rating is 4°C

Inner Interlayer

Can be removed for separate

$149.99
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SKU: kingcamp-wheatland-450-3-in-1-sleeping-bag

Overview

Built for cold-weather camping and other outdoor overnights, this heated sleeping bag combines a three-layer design with graphene heating sheets in the lower layer for adjustable warmth. It can be used as a mat, envelope-style sleeping bag, or blanket, giving it flexibility when conditions or camp setup change. The bag includes three heat settings and temperature guidance for both the heated system and the sleeping bag itself, so users can match warmth to the night ahead. A zipper bag is included for transport, and the switch area is described as helping prevent light rain, though the heating sheet cannot be machine washed.

Why Hunters Choose the Kingcamp

Three-in-one Design

Works as a mat, envelope

Three Heating

Levels let you adjust warmth

Four Graphene

Heating sheets are built into

Outer Bag

Included zipper bag support easier

Removable Inner

Interlayer allows standalone use in

Key Features

  • Three-in-one design functions as a mat, envelope sleeping bag, or blanket.
  • Includes four graphene heating sheets in the lower layer.
  • Offers three heating levels: high, medium, and low.
  • Whole sleeping bag temperature rating is 4°C / 0°C / -17°C.
  • Inner interlayer can be removed for separate use.
  • Includes a zipper bag for carrying and storage.

Best Used For

  • Cold-weather campers needing adjustable warmth in a three-layer sleeping system.
  • Hunters wanting a heated sleep setup for blinds, truck beds, or base camps.
  • Users who prefer one piece that can function as a mat, sleeping bag, or blanket.
  • Outdoor travelers packing a portable bag with included storage and carry features.
  • Campers who want manual heat control and are comfortable managing power input.

Specifications

Can Be Used AloneYes
Can Be Used Asmat, envelope sleeping bag, blanket
Carrying Featurepolyester-cotton yarn zipper bag
Dimensions(190+30) x 80cm
Fabric100% polyester fiber, 300T pongee
Heating Level Indicatorshigh (red light), medium (green light), low (blue light)
Heating Levels3
Heating Sheets4 graphene heating sheets
High End Heating Durationapproximately 3 hours
High End Heating Temperature50-55AdegC
Lining100% polyester fiber, 300T pongee
Low End Heating Durationup to 5 hours
Low End Heating Temperature40-45AdegC
Lower Sheet Filling100% polyester fiber, 200g (with graphene heating sheet)
Machine WashableNo
Mid Range Heating Durationabout 4 hours
Mid Range Heating Temperature45-50AdegC
Outer Bag Fabric80% Polyester, 20% Cotton
Recommended Power Range 12v20-30W
Recommended Power Range 5v6-9W
Recommended Voltage5V
Recommended Voltage Higher Heat Output12V
Sleeping Bag Filling100% polyester fiber, 250g
Storage Methodroll bag storage method
Strapping Featuresole strapping buckle webbing
Switch Part Prevents Light RainYes
Temperature Rating Inside Interlayer Removed12AdegC/7AdegC/-3AdegC
Temperature Rating Whole Sleeping Bag4AdegC/0AdegC/-17AdegC
Upper Piece Filling100% polyester fiber, 200g
Zipper Bag IncludedWhole Sleeping Bag

Pros

  • Three-in-one design works as a mat, envelope sleeping bag, or blanket.
  • Three heating levels let you adjust warmth to current conditions.
  • Four graphene heating sheets are built into the lower layer.
  • Outer bag and included zipper bag support easier transport and storage.
  • Removable inner interlayer allows standalone use in milder temperatures.

Considerations & Trade-offs

  • The heating system adds convenience, but it also introduces a power requirement; heating performance depends on using the recommended voltage and power range.
  • The graphene heating sheet cannot be machine washed, so cleaning and care are more limited than with a standard sleeping bag.
  • Warmth ratings vary by configuration: the full bag and the inner layer alone have different temperature ranges, so users need to choose the setup that matches conditions.
  • The switch part can prevent light rain, but the bag is not described as fully waterproof, so wet-weather use still calls for caution.

Suggested Comparisons

  • Heated sleeping bag liner
  • Three-season sleeping bag
  • Camping blanket
  • Sleeping pad or mat

Suggested Accessories

  • Sleeping bag liner
  • Portable power bank
  • Insulated sleeping pad
  • Compression straps

Frequently Asked Questions

What are the three ways this sleeping bag can be used?

The product is described as a multifunctional three-layer design that can be used as a mat, an envelope sleeping bag, or a blanket.

Does the inside interlayer come out?

Yes. The long description says the inside interlayer can be removed, and it can then be used alone.

What temperature ratings are listed for this sleeping bag?

The listed whole sleeping bag temperature is 4°C / 0°C / -17°C. With the inside interlayer removed and used alone, the 250g sleeping bag temperature is listed as 12°C / 7°C / -3°C.

How does the heating system work?

It uses 4 graphene heating sheets in the lower layer and offers 3 heating levels: high (red light), medium (green light), and low (blue light).

What power source or voltage is recommended for the heating function?

The product recommends 5V at 6–9W for maximum efficiency, or 12V at 20–30W for higher heat output. The source does not specify a battery or power bank type.