The unexpected 2020-2022 revival of the maligned sweater vest from “dorky dad” wardrobe reject to TikTok fashion staple through Y2K nostalgia and cottage-core aesthetics.

Origins

Sweater vests—sleeveless knit pullovers worn over shirts—were historically associated with unfashionable dad wear, golf fashion, and 1990s school uniforms. By the 2010s, they’d become fashion punchlines alongside cargo shorts.

The revival began in August 2020 on TikTok as multiple aesthetics converged:

• Cottage-core: Cozy, vintage knits fit the aesthetic
• Dark academia: Scholarly, bookish preppy vibes
• Y2K nostalgia: Early 2000s preppy fashion returning
• Harry Styles effect: His JW Anderson cardigan (Feb 2020) made knitwear cool
• Thrifting culture: Sweater vests abundant in thrift stores

TikTok creators (@emmachamberlain, @wisdm8) styled thrifted sweater vests ironically, then genuinely—transforming them from joke to trend.

TikTok Phenomenon

#SweaterVest exploded on TikTok through specific content:

Styling videos:

• “How to style a sweater vest 5 ways”
• Layering over collared shirts, turtlenecks, long sleeves
• Pairing with pleated skirts, jeans, trousers

Thrift hauls:

• Finding vintage sweater vests at Goodwill
• $5-10 thrifted vests as fashion wins
• Sustainable fashion angle

Aesthetic builds:

• Dark academia outfits (sweater vest + collared shirt + trousers)
• Cottage-core (chunky knit vests, earthy colors)
• Preppy revival (argyle vests, tennis skirts)

The hashtag reached 580 million+ views by 2021.

Aesthetic Versatility

Sweater vests worked across multiple aesthetics:

Dark academia:

• Brown, navy, forest green vests
• Over white collared shirts
• With trousers, oxfords
• Scholarly, bookish vibe

Cottage-core:

• Chunky hand-knit vests
• Cream, sage, lavender colors
• Over floral dresses
• Cozy, homemade aesthetic

Preppy:

• Argyle patterns
• Over polo shirts
• With pleated skirts, tennis skirts
• Gossip Girl references

Y2K:

• Tight-fitting vests
• Over baby tees
• Bright colors, patterns
• Early 2000s throwback

E-girl/alternative:

• Black/dark vests
• Over band tees
• With plaid skirts
• Subversive preppy

Market Response

Retailers scrambled to stock sweater vests:

Fast fashion:

• Urban Outfitters: Vintage-style vests ($40-60)
• Zara: Contemporary sweater vest designs
• H&M, Forever 21: Budget options ($20-30)
• Princess Polly, Brandy Melville: Teen-focused styles

Contemporary:

• & Other Stories: European preppy vests
• Madewell: American heritage knits
• J.Crew: Classic argyle, cable knit

Vintage/secondhand:

• Depop, Poshmark, eBay: Authentic vintage vests
• Thrift stores raided for sweater vests
• 1990s-2000s vintage became valuable

DIY/handmade:

• Knitting patterns went viral
• Etsy handmade sweater vests
• TikTok knitting tutorials

Google searches for “sweater vest” increased 600%+ from August 2020-2021.

Harry Styles Influence

While the JW Anderson cardigan (February 2020) was technically different, it made knitwear cool and paved the way for sweater vest acceptance. Styles’ fashion-forward knitwear choices legitimized previously “uncool” garments.

His influence created permission structure—if Harry Styles could make knitwear cool, sweater vests could work too.

Layering Strategies

Sweater vests required specific layering:

Underneath options:

• Collared white shirt: Classic preppy
• Turtleneck: Cozy, layered warmth
• Long-sleeve tee: Casual, everyday
• Mock neck: Modern, sleek
• Button-up: Traditional, formal

Styling tips TikTok established:

• Collar peeking out from vest
• Sleeves showing at wrists
• Tucked-in shirts (showing waist)
• Color coordination (or intentional clash)

DIY and Knitting Revival

Sweater vests sparked knitting interest:

• Pandemic hobby: Lockdown knitting projects
• TikTok tutorials: “Knit a sweater vest with me”
• Pattern sharing: Free/paid patterns viral
• Beginner-friendly: Simpler than full sweaters

The “Strawberry Sweater Vest” pattern by @knits_by_becca went viral on TikTok—millions attempted the colorful, whimsical design.

Gender-Neutral Appeal

Sweater vests worked across gender presentations:

• Unisex styling: No gendered design requirements
• Vintage men’s vests: Women wearing oversized men’s vintage vests
• Size versatility: Oversized or fitted both acceptable
• Non-binary fashion: Preppy but not feminine-coded

This inclusivity contributed to widespread adoption.

Criticisms and Pushback

Not everyone embraced sweater vests:

Fashion critics:

• “We’re just recycling dad clothes now?”
• Ironic consumption concerns
• Lack of originality

Practical issues:

• Limited occasions (not versatile as claimed)
• Layering challenges (bulky, overheating)
• Only worked in specific temperatures

Cultural commentary:

• Gen Z discovering “new” trends that were just normal clothes
• Thrift gentrification (buying up affordable items)

Peak and Decline

Sweater vests peaked in fall-winter 2020-2021:

• 580 million+ TikTok views
• Sold out at major retailers
• Every influencer wearing them

Decline began in 2022:

• Over-saturation: Everyone wore sweater vests
• Seasonal limitation: Summer killed momentum
• New trends: #Barbiecore, #Tomato Girl Summer replaced preppy aesthetics
• Trend fatigue: Moved on to next micro-trend

By 2023, sweater vests remained a niche option but had lost viral energy.

Subculture Integration

While mainstream trend declined, sweater vests integrated into specific subcultures:

• Dark academia community: Permanent wardrobe staple
• Cottage-core enthusiasts: Chunky knit vests remained popular
• Preppy fashion: Classic styling continued
• Knitting community: Ongoing pattern popularity

The trend fragmented from mass appeal to targeted aesthetics.

Legacy

The sweater vest revival demonstrated:

• TikTok’s power to rehabilitate “uncool” items
• Thrifting culture’s influence on trend cycles
• Aesthetic versatility as adoption driver
• Pandemic’s impact on cozy, nostalgic fashion

Sweater vests proved that with right timing, platform, and styling, almost any previously mocked garment could become trendy.

Sources:

• Teen Vogue: “How Sweater Vests Became TikTok’s Favorite Trend” (2020)
• The Cut: “The Sweater Vest Is Back” (2020)
• Refinery29: “Sweater Vests Are Having a Moment” (2021)