SANS
Sans cosplay guide — costume sets, wigs, contacts, props, 3D print files, DIY tutorials, commissioners, and secondhand resale for the Undertale / Deltarune character, curated for cosplayers.
SKELETON IN A HOODIE
A blue zip hoodie over a white tee, black basketball shorts with a white stripe, and pink slippers — worn with a skeleton skull mask or full skull makeup with two dot eyes. Casual and lazy on purpose; the head is the entire craft.
The clothing is a thrift run. All the difficulty is in the head: a mask that keeps the wide grin and hollow eyes while letting you see and drink is a genuine design problem.
- 01Blue zip-up hoodie (fur-lined hood)
- 02White t-shirt + black athletic shorts with white side stripe
- 03Pink fuzzy slippers
- 04Skull head — mask, helmet, or full white face makeup with hollow eyes
- 05Blue LED left-eye effect for photos
- 06Skeleton gloves / white hand makeup
- →Head: 3D-print or foam-build with mesh-covered eye sockets so you can see out and cameras still read them as hollow.
- →Blue eye: a single blue LED behind the left socket with a diffuser gives the Gaster-blaster look.
- →Clothes: thrift entirely — buying a 'Sans costume' set gets you thin printed polyester.
- →Slippers: real pink slippers, not costume shoe-covers. People notice.
Sewing patterns
Find printable and PDF patterns to build this costume from scratch.RETAILER_REVIEWS
COSPLAYER_INTEL
COMMUNITY_BUILDS
COMMUNITY_PHOTOS
Uploads include a permission checkbox to add your photo to this character's archive on DexKosu — full credit and backlink to your socials.
SANS_COSPLAY_FAQ
Setup questions answered
Start with the silhouette: the costume set, then the wig, then contacts, then the signature props. Buy the base layers you can't easily sew, and build or print the pieces that define the character. The DexKosu Sans dossier lists vetted retailer links, commissioners, 3D print files, and community DIY guides for each of those pieces so you can mix buying and building.
Most complete Sans builds land in the $60–$180 range — the low end is an off-the-rack retailer set with a stock wig, the high end is a commissioned or heavily modified build with custom props and styled wig. Prices on this page are pulled from live retailer listings, so check the BUY_LINKS tab for today's numbers.
Sans costumes are stocked by cosplay-specific retailers (Miccostumes, Coshduk, Uwowo, Cosplaysky) and marketplaces (Etsy, AliExpress, Amazon, eBay). DexKosu aggregates the live listings for each of those in one place on this page, with community reviews flagging fit, fabric, and shipping issues before you order.
Match the cut, colour, and density first — most stock wigs need trimming and heat styling to hit Sans's exact shape. The WIGS tab lists sellers who carry the right base colour and length, plus styling notes from cosplayers who have already built this character.
Sans is a high-demand video games build. The difficulty comes down to how many custom props, armour pieces, or fabric manipulations the design needs. This dossier breaks the build into components with a difficulty rating for each, so you can see exactly which parts are beginner-friendly and which to buy or commission.
Plan roughly 30 hours of active work for a from-scratch build, spread across patterning, sewing, prop fabrication, and wig styling. Buying the base costume and only building the props typically cuts that by more than half.
Yes — the 3D_FILES and DIY_GUIDES tabs on this dossier collect printable prop and armour files plus step-by-step community tutorials for Sans. Each entry links out to the original creator so you can check the licence and print settings before starting.
Many Undertale / Deltarune characters have alternate outfits, seasonal skins, or arc-specific designs, and retailers often stock several of them under similar names. When variants exist for Sans, they appear in the COSTUME VARIANTS section above with their own photos and retailer links so you order the exact version you want.
RELATED_BUILDS
Matched on series, ensemble, key build pieces, wig and lens styling, skill level and demand tier.
Build guides
Beginner starter kit, the six-step order of operations, safety notes, and character-specific makeup references.
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