Frat Boy Costume
Master the classic collegiate Greek life look with simple wardrobe staples.
The Frat Boy costume is a popular, easy-to-assemble look that channels the classic North American college fraternity aesthetic. Perfect for Halloween, themed parties, or spirit week, this outfit relies on recognizable preppy staples. The look consists of a pastel polo shirt, khaki shorts, a backward baseball cap, and casual boat shoes.
- Difficulty
- Easy
- Time
- ~15 min
- Budget
- $25–75
Try it on
See yourself as Frat Boy
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
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Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.
What you need for a Frat Boy costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Frat Boy costume — one box instead of 6 pieces.
Pastel Polo Shirt
A collared polo shirt in light pink, baby blue, or mint green, preferably with a small embroidered logo.
DIY: Use any bright or pastel collared shirt already in your closet.
Khaki Chino Shorts
Classic flat-front khaki shorts that sit slightly above the knee.
DIY: Cut an old pair of khaki pants into shorts.
Backward Baseball Cap
A classic dad hat or snapback cap, worn backward.
DIY: Use any college or sports team baseball cap you own.
Sunglasses with Croakies
Classic aviator or wayfarer sunglasses attached to a colorful neoprene eyewear retainer strap.
DIY: Loop a piece of colorful paracord or string around the arms of your sunglasses.
Boat Shoes or Canvas Sneakers
Brown leather boat shoes or clean white low-top canvas sneakers worn without visible socks.
DIY: Wear any clean white sneakers or slip-ons you have.
Red Plastic Party Cup
The quintessential red plastic cup to carry as a prop.
DIY: Grab a clean red cup from your kitchen pantry.
Rather not assemble it? See ready-made Frat Boy costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the pastel polo shirt and pop the collar slightly if desired.
- 2
Put on the khaki chino shorts, securing them with a simple brown leather belt.
- 3
Place the baseball cap on your head backward, adjusting it so it sits high on your forehead.
- 4
Slip on the sunglasses and let them hang around your neck using the eyewear retainer strap.
- 5
Step into the boat shoes or white sneakers without socks (or wear no-show socks).
- 6
Carry a red plastic party cup as your primary prop to complete the collegiate party vibe.
Makeup & hair
Keep hair messy or styled in a casual 'flow' peeking out from under the backward cap. No makeup is required, keeping the look clean-cut and natural.
Frat Boy for couples, groups, kids & more
- couples
- Pair up as a Frat Boy and Sorority Girl, featuring matching pastel colors, pleated skirts, and Greek letter tote bags.
- group
- Form a full fraternity pledge class with matching polos, custom Greek letter shirts, and name tags.
- kids
- A miniature version featuring a tiny polo, khaki shorts, boat shoes, and a backward cap.
- Plus size
- Opt for a relaxed-fit polo shirt and comfortable stretch-waist khaki shorts for an easy, breathable fit.
- pet
- A small pastel dog polo shirt or a tiny backward cap secured with an elastic band.
Tips
- Wear no-show socks to keep the classic sockless boat shoe aesthetic comfortable.
- Keep the colors bright and preppy; pastel pinks, blues, and yellows work best for this archetype.
- For photos, hold the red cup and strike a relaxed, confident pose with one hand in your pocket.
- This is an excellent last-minute costume since most components are everyday wardrobe items.
Frat Boy costume FAQ
- What makes a costume look like a frat boy?
- The key elements are a pastel polo shirt, khaki shorts, a backward baseball cap, sunglasses on a strap (Croakies), and boat shoes.
- How do I style my hair for a frat boy costume?
- Let your hair messy-style or sweep it back so it flows out naturally from the sides of the backward cap.
- Can girls wear a frat boy costume?
- Absolutely! The 'frat boy' look is a highly popular oversized aesthetic for girls, often styled with an oversized pastel button-down shirt or polo, khaki shorts, and backward cap.
Did you know? The 'frat boy' aesthetic is heavily influenced by mid-20th century Ivy League style, which later evolved into the casual, preppy 'Southern Tide' and 'Vineyard Vines' looks seen on college campuses today.