Slytherin Costume
Show your Hogwarts house pride in classic emerald green and silver.
Representing the most ambitious house at Hogwarts, a Slytherin costume is a classic choice for Harry Potter fans. The signature look centers around a black wizarding robe lined with emerald green, paired with a matching school uniform and a magic wand. Whether you want to channel Draco Malfoy, Pansy Parkinson, or your own original Hogwarts student, this guide has you covered.
- Difficulty
- Easy
- Time
- ~20 min
- Budget
- $35–120
Try it on
See yourself as Slytherin
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What you need for a Slytherin costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Slytherin costume — one box instead of 6 pieces.
Slytherin Robe
A black hooded wizard robe featuring an emerald green satin lining, a wand pocket, and the embroidered Slytherin snake crest on the chest.
DIY: Use a plain black graduation robe and line the hood and lapels with emerald green satin fabric.
House Tie
A necktie featuring diagonal stripes of emerald green and silver.
DIY: Use a plain green necktie and paint diagonal silver stripes on it using fabric paint.
White Collared Shirt
A classic white button-down dress shirt with a stiff collar.
V-Neck Sweater or Vest
A grey knit v-neck sweater or sweater vest, optionally featuring green and silver trim along the neckline.
DIY: Use a plain grey v-neck sweater and fabric-glue thin green and silver ribbons around the collar.
Dark Trousers or Pleated Skirt
Charcoal grey or black dress pants, or a matching pleated schoolgirl-style skirt.
Magic Wand
A realistic resin or plastic toy wand resembling dark wood, approximately 10 to 14 inches long.
DIY: Paint a thick wooden dowel or a straight tree branch with brown acrylic paint, adding hot glue swirls for texture before painting.
Rather not assemble it? See ready-made Slytherin costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the white button-down collared shirt and button it completely to the top.
- 2
Tie the green and silver striped Slytherin tie snugly around the shirt collar.
- 3
Layer the grey v-neck sweater or sweater vest over the shirt and tie, ensuring the collar and tie knot are clearly visible.
- 4
Put on your dark grey or black trousers or pleated skirt.
- 5
Slip on the black Slytherin robe, letting it hang open to showcase the uniform underneath.
- 6
Slide your magic wand into the robe's interior wand pocket or hold it ready in your hand.
- 7
Finish the look with black dress shoes or loafers paired with dark socks or tights.
Makeup & hair
Keep hair neat and styled in a polished, aristocratic fashion, such as a slicked-back look or neat braids. Makeup should be clean and minimal, perhaps with a cool-toned eyeshadow or a subtle, confident smirk.
Slytherin for couples, groups, kids & more
- couples
- Pair up with a Gryffindor student for a classic rival-house dynamic, or go as Draco Malfoy and Pansy Parkinson.
- group
- Gather a group of friends in matching Slytherin robes to form a squad of ambitious Hogwarts students.
- kids
- A youth-sized Slytherin robe paired with a clip-on green and silver tie over school clothes.
- Plus size
- Look for relaxed-fit or open-front robes with roomy sleeves, which drape comfortably over any body shape.
- pet
- A small green and silver striped pet scarf or a miniature black cape with a green lining.
Tips
- Keep your wand handy but secure by utilizing the interior wand pocket built into most official robes.
- Opt for comfortable, broken-in black dress shoes if you plan to wear this costume to a convention or while trick-or-treating.
- Iron or steam your robe before wearing it, as synthetic costume fabrics crease easily and look much better when smooth.
- Carry a green-covered notebook or a potion bottle prop to add extra character depth to your photos.
Slytherin costume FAQ
- What colors are in the Slytherin costume?
- The official house colors are emerald green and silver, which are featured on the tie, the robe lining, and the house crest.
- Can I make a DIY Slytherin costume without buying a robe?
- Yes! You can wear a grey sweater vest over a white collared shirt with a green and silver tie, then add a Slytherin crest patch directly to the vest.
- What shoes should I wear with a Slytherin uniform?
- Classic black leather dress shoes, loafers, Mary Janes, or plain black boots work best to maintain the British boarding school aesthetic.
Did you know? In the Harry Potter films, the green lining of the Slytherin robes was specifically chosen to be a rich, dark emerald to contrast sharply with the bright scarlet of Gryffindor.