Skip to content

Translation missing: en.general.social.links.newsletter
Instagram
Translation missing: en.general.social.links.discord
Translation missing: en.general.social.links.bluesky
Facebook
Translation missing: en.general.social.links.pixelfed
YouTube
Pinterest
Translation missing: en.general.social.links.ravelry

2025 YARN CLUB
YARN
FIBERS
TOOLS & ACCESSORIES
- Swag
  
  Enamel Pins
  Sew-In Tags
  Stickers
  Shoelace Charms
  Gift Cards
- Tools & Accessories
  
  Bags & Pouches
  Crafting Jewelry
  Stitch Markers
  Needles
  Embroidery Hoops
  Punch Needles
  Fabric Backing Glue
  Hand Dyed Embroidery Floss
- Care & Cleaning
  
  Hand Salves
  Wool Wash
SALE
- All Sale Items
  
  Yarn on Sale
  Fibers on Sale
- Discounts & Savings
  
  Creep Coins
  Anti Fat-Tax
INFO
- Yarn & Fiber Info
  
  Caring for Hand Dyed Yarn
  Yarn Colorways
  Yarn Bases
  Fiber Blends
- Questions & Answers
  
  F.A.Q.
  Creep Coins
  VAT & Taxes
  Anti Fat-Tax
  Shipping Information
  GPSR Declarations
- About Undercover Otter
  
  Events
  Brick & Mortar
  Wholesale Application
  Contact Form

Translation missing: en.general.social.links.newsletter
Instagram
Translation missing: en.general.social.links.discord
Translation missing: en.general.social.links.bluesky
Facebook
Translation missing: en.general.social.links.pixelfed
YouTube
Pinterest
Translation missing: en.general.social.links.ravelry

Search

2025 YARN CLUB
YARN
FIBERS
TOOLS & ACCESSORIES
SALE
- All Sale Items
  Yarn on Sale
  Fibers on Sale
- Discounts & Savings
  Creep Coins
  Anti Fat-Tax
INFO

Search

Item added to your cart

View cart

Collection: All

Sort by:

105 products

Filter:

Availability (0)

Availability

In stock (97 products)
Out of stock (14 products)

Primary Color (0)

Primary Color

UV-Reactive (45 products)
Multicolor (19 products)
Red (12 products)
Orange (16 products)
Yellow (7 products)
Beige (4 products)
Brown (4 products)
Bronze (4 products)
Green (25 products)
Blue (19 products)
Navy (4 products)
Purple (21 products)
Pink (25 products)
Black (5 products)
Gray (15 products)
White (2 products)
Silver (7 products)

Yarn Base (0)

Yarn Base

Dusk (6 products)
Jump Scare (6 products)
Mighty Merino (5 products)
Neppocalypse (4 products)
Squirm (39 products)
Slasher Sock (11 products)
Singularity (9 products)
Strain Sock (7 products)

Yarn Weight (0)

Yarn Weight

Lace (4 products)
Fingering (74 products)
DK (9 products)

Fiber Types (0)

Fiber Types

Merino (87 products)
Yak (6 products)
Nylon (63 products)
Stellina (9 products)
Superwash (87 products)
Virgin Wool (11 products)
Donegal Tweed Neps (4 products)

Dye Technique (0)

Dye Technique

Half-Dunk (4 products)
Planned Pooling (1 product)
Semi-Solid (20 products)
Speckles (9 products)
Splatter (1 product)
Submersion (3 products)
Variegated (54 products)

Fiber Blends (0)

Fiber Blends

Non Superwash Merino (8 products)
Bamboo (1 product)
Stellina (1 product)
Silk (1 product)
Kid Mohair (1 product)

Brand (0)

Brand

Addi (1 product)
ChiaoGoo (3 products)
Eucalan (1 product)
Lantern Moon (1 product)
Undercover Otter (63 products)
Undercover Otter - April 2025 (35 products)
Undercover Otter - MILF* Mayhem (1 product)

Price

The highest price is €250.00

€

From

To

Product type (0)

Product type

Crafting Jewelry (1 product)
Fibers (8 products)
Gift Cards (1 product)
Merchandise (1 product)
Tools (6 products)
Wool Wash (1 product)
Yarn (87 products)

Filter and sort Filter

Filter and sort

Filter

105 products

Availability

In stock (97 products)
Out of stock (14 products)

Clear

Primary Color

UV-Reactive (45 products)
Multicolor (19 products)
Red (12 products)
Orange (16 products)
Yellow (7 products)
Beige (4 products)
Brown (4 products)
Bronze (4 products)
Green (25 products)
Blue (19 products)
Navy (4 products)
Purple (21 products)
Pink (25 products)
Black (5 products)
Gray (15 products)
White (2 products)
Silver (7 products)

Clear

Yarn Base

Dusk (6 products)
Jump Scare (6 products)
Mighty Merino (5 products)
Neppocalypse (4 products)
Squirm (39 products)
Slasher Sock (11 products)
Singularity (9 products)
Strain Sock (7 products)

Clear

Yarn Weight

Lace (4 products)
Fingering (74 products)
DK (9 products)

Clear

Fiber Types

Merino (87 products)
Yak (6 products)
Nylon (63 products)
Stellina (9 products)
Superwash (87 products)
Virgin Wool (11 products)
Donegal Tweed Neps (4 products)

Clear

Dye Technique

Half-Dunk (4 products)
Planned Pooling (1 products)
Semi-Solid (20 products)
Speckles (9 products)
Splatter (1 products)
Submersion (3 products)
Variegated (54 products)

Clear

Fiber Blends

Non Superwash Merino (8 products)
Bamboo (1 products)
Stellina (1 products)
Silk (1 products)
Kid Mohair (1 products)

Clear

Brand

Addi (1 products)
ChiaoGoo (3 products)
Eucalan (1 products)
Lantern Moon (1 products)
Undercover Otter (63 products)
Undercover Otter - April 2025 (35 products)
Undercover Otter - MILF* Mayhem (1 products)

Clear

Price

The highest price is €250.00

€

From

€

To

Clear

Product type

Crafting Jewelry (1 products)
Fibers (8 products)
Gift Cards (1 products)
Merchandise (1 products)
Tools (6 products)
Wool Wash (1 products)
Yarn (87 products)

Clear

Sort by:

Remove all

105 products

Source Code - Singularity Sparkle

Source Code - Singularity Sparkle

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Rokmutul - Singularity Sparkle

Rokmutul - Singularity Sparkle

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Metropolis - Singularity Sparkle

Metropolis - Singularity Sparkle

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Newt - Singularity Sparkle

Newt - Singularity Sparkle

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
When Worlds Collide - Singularity Sparkle

When Worlds Collide - Singularity Sparkle

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Curse of Frankenstein - Singularity Sparkle

Curse of Frankenstein - Singularity Sparkle

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Palm Springs - Singularity Sparkle

Palm Springs - Singularity Sparkle

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Stopmotion - Squirm Sock

Stopmotion - Squirm Sock

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Metalstorm - Squirm Sock

Metalstorm - Squirm Sock

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Ladygarden - Squirm Sock

Ladygarden - Squirm Sock

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Underworld - Squirm Sock

Underworld - Squirm Sock

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Crawling Eye - Mighty Merino Fingering

Crawling Eye - Mighty Merino Fingering

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
MILF Mayhem Yarn Club

MILF Mayhem Yarn Club

Regular price €140.00 EUR

Regular price ~~€0.00 EUR~~ Sale price €140.00 EUR
Unit price per
Mulberry St. - Squirm Sock

Mulberry St. - Squirm Sock

Regular price €28.00 EUR

Regular price Sale price €28.00 EUR
Unit price per
Scarlet Aeonia - Dusk

Scarlet Aeonia - Dusk

Regular price €29.50 EUR

Regular price Sale price €29.50 EUR
Unit price per
Unreturned - Dusk

Unreturned - Dusk

Regular price €29.50 EUR

Regular price Sale price €29.50 EUR
Unit price per

Showing 64 of 105 products

We offset our carbon footprint via Ecologi

Queer Business Alliance

About Us

Aiden Sielias started Undercover Otter in 2011 from their one bedroom apartment in Amsterdam, the Netherlands.

Fastforward a few years, and Undercover Otter yarns have featured at Vogue Knitting Live in New York, Edinburgh Yarn Festival in Scotland, Oslo Strikkefestival in Norway, the Amsterdam Yarn Festival and Woollinn Yarn Festival in Ireland.

UNDERCOVER OTTER

Maakgemeenschap de Hoop
Studio F.06
Barndegat 6-8
1505HN Zaandam
The Netherlands

Registration: 61068098
VAT: NL001597857B95

We are not open to the public!

Contact Us
Accessibility
Collect Creep Coins
Tax-Free Shopping & VAT
Donations
Newsletter Sign-Up
GPSR Declaration

Subscribe to our Newsletter

Email

Translation missing: en.general.social.links.newsletter
Instagram
Translation missing: en.general.social.links.discord
Translation missing: en.general.social.links.bluesky
Facebook
Translation missing: en.general.social.links.pixelfed
YouTube
Pinterest
Translation missing: en.general.social.links.ravelry

© 2025, Undercover Otter Powered by Shopify

Refund policy
Privacy policy
Terms of service
Shipping policy
Contact information

Calculate Shipping Rates

Choosing a selection results in a full page refresh.
Opens in a new window.

{"themeColor":"#3ebaad","iconColor":"#3ebaad","showLogo":false,"topBottomPosition":10,"rightLeftPosition":10,"iconSize":"small","iconCustomSize":64,"position":"bottom-left"}