What You’ll Need
White Padded Motorcylce Top
Grey Knee Pads
White Boots
White and Grey Motorcycle Pants
White Shoulder Armor
White Chest Plate
Black Faux Leather Arm Sleeves
White and Black Motorcylce Gloves
Black Helmet
White Paint
Grey Paint
3D Printed Murderbot Mask
Creating a Murderbot costume is about capturing that utilitarian, armored aesthetic efficiently.
You want to look like a formidable Security Unit that just wants to be left alone to watch media.
This build relies heavily on modified sports and motorcycle gear to achieve that synthetic, heavy look.
It saves you from needing to cast full body armor from scratch, which is a huge time-saver.
Complete Costume Breakdown
The core of this outfit is creating a believable armored silhouette using tactical layers.
We are layering rigid pieces over a structured base to mimic a SecUnit’s protective chassis.
Clothing & Core Pieces
Start with the White Padded Motorcycle Top and the White and Grey Motorcycle Pants as your base.
These provide the immediate “robot” structure and cover your skin completely with a synthetic texture.
Add the White Chest Plate and White Shoulder Armor over the top to build bulk.
These rigid pieces sell the idea that you are made of composite materials, not soft flesh.
Use the Black Faux Leather Arm Sleeves to cover any gaps between the armor and your gloves.
This adds a nice contrast and creates a seamless mechanical joint look at the elbows.
Accessories & Details
The headgear is the most important part of a SecUnit’s anonymity and character design.
The 3D Printed Murderbot Mask is the most accurate option for that specific opaque faceplate look.
Alternatively, the Black Helmet offers a solid visor if you prefer a more generic security unit vibe.
Wear the White and Black Motorcycle Gloves and White Boots to finish off the limbs.
The Grey Knee Pads add extra mechanical detail to the legs and break up the white.
Use the White and Grey Paint to unify the different whites of your gear for a cohesive look.
Weathering is essential; remember that you are a working unit, not a factory-fresh model.
Cosplay Tips
Mobility can be tricky in full motorcycle gear, so do a test run at home.
Practice walking and especially sitting before you get to the crowded convention floor.
Heat management is critical here because padded gear traps body heat very effectively.
Wear moisture-wicking underlayers beneath the padded top and pants to help you stay cool.
If using the 3D printed mask, ensure you have good visibility before walking around.
You might need to add padding inside the helmet for a snug fit that doesn’t slip.
Character Vibe & Styling Notes
Murderbot is socially awkward and hyper-vigilant, so channel that energy in your poses.
Your posture should be stiff and alert, yet uncomfortable when people approach you.
Avoid heroic poses; a SecUnit usually stands guard or leans against a wall.
Look like you would rather be watching media on your internal feed than being there.
Keep your helmet on to maintain that robotic separation from the humans around you.
Final Thoughts
This Murderbot build is fantastic because it looks high-effort but uses readily available gear.
It is durable, impressive, and captures the essence of the character perfectly without months of fabrication.
Have fun ignoring everyone at the con while feeling safe in your armor!
