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

MILF* MAYHEM YARN CLUB
YARN
- All Yarn
- By Base
  
  Squirm Sock
  Slasher Sock
  Singularity
  Dusk
  Eventide
  Jump Scare DK
  Mighty Merino Fingering
  Neppocalypse
  Strain Sock
- By Weight
  
  Lace
  Fingering
  Sock (with Nylon)
  DK & Worsted
- Sweater Quantities
- Yarn Sets
FIBERS
TOOLS
ACCESSORIES
SALE
GIFT CARDS
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

Item added to your cart

View cart

Collection: Newest Products

Sort by:

136 products

Filter:

Availability (0)

Availability

In stock (129 products)
Out of stock (17 products)

Primary Color (0)

Primary Color

UV-Reactive (47 products)
Multicolor (24 products)
Red (11 products)
Orange (16 products)
Yellow (10 products)
Beige (4 products)
Brown (4 products)
Bronze (4 products)
Green (26 products)
Blue (20 products)
Navy (5 products)
Purple (22 products)
Pink (26 products)
Black (6 products)
Gray (15 products)
White (9 products)
Silver (7 products)

Yarn Base (0)

Yarn Base

Dusk (7 products)
Eventide (1 product)
Eventide Crites (2 products)
Jump Scare (6 products)
Mighty Merino (5 products)
Neppocalypse (5 products)
Squirm (40 products)
Slasher Sock (10 products)
Singularity (9 products)
Strain Sock (7 products)

Yarn Weight (0)

Yarn Weight

Lace (6 products)
Fingering (76 products)
DK (10 products)

Fiber Types (0)

Fiber Types

Merino (92 products)
Yak (10 products)
Silk (3 products)
Nylon (64 products)
Stellina (9 products)
Superwash (90 products)
Non-Superwash (2 products)
Virgin Wool (10 products)
Baby Alpaca (2 products)
Donegal Tweed Neps (5 products)

Dye Technique (0)

Dye Technique

Gradient (1 product)
Half-Dunk (5 products)
Planned Pooling (1 product)
Semi-Solid (24 products)
Speckles (10 products)
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)
Kitty With A Cupcake (3 products)
Knitpro (1 product)
Lantern Moon (1 product)
Morbid Queeriosity (2 products)
Undercover Otter (90 products)
Undercover Otter - April 2025 (33 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)
Flair (4 products)
Gift Cards (1 product)
Merchandise (5 products)
Mugs (7 products)
Skin Care (1 product)
Tools (11 products)
Wool Wash (1 product)
Yarn (92 products)

Filter and sort Filter

Filter and sort

Filter

136 products

Availability

In stock (129 products)
Out of stock (17 products)

Clear

Primary Color

UV-Reactive (47 products)
Multicolor (24 products)
Red (11 products)
Orange (16 products)
Yellow (10 products)
Beige (4 products)
Brown (4 products)
Bronze (4 products)
Green (26 products)
Blue (20 products)
Navy (5 products)
Purple (22 products)
Pink (26 products)
Black (6 products)
Gray (15 products)
White (9 products)
Silver (7 products)

Clear

Yarn Base

Dusk (7 products)
Eventide (1 products)
Eventide Crites (2 products)
Jump Scare (6 products)
Mighty Merino (5 products)
Neppocalypse (5 products)
Squirm (40 products)
Slasher Sock (10 products)
Singularity (9 products)
Strain Sock (7 products)

Clear

Yarn Weight

Lace (6 products)
Fingering (76 products)
DK (10 products)

Clear

Fiber Types

Merino (92 products)
Yak (10 products)
Silk (3 products)
Nylon (64 products)
Stellina (9 products)
Superwash (90 products)
Non-Superwash (2 products)
Virgin Wool (10 products)
Baby Alpaca (2 products)
Donegal Tweed Neps (5 products)

Clear

Dye Technique

Gradient (1 products)
Half-Dunk (5 products)
Planned Pooling (1 products)
Semi-Solid (24 products)
Speckles (10 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)
Kitty With A Cupcake (3 products)
Knitpro (1 products)
Lantern Moon (1 products)
Morbid Queeriosity (2 products)
Undercover Otter (90 products)
Undercover Otter - April 2025 (33 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)
Flair (4 products)
Gift Cards (1 products)
Merchandise (5 products)
Mugs (7 products)
Skin Care (1 products)
Tools (11 products)
Wool Wash (1 products)
Yarn (92 products)

Clear

Sort by:

Remove all

136 products

Mansplain - Large Mug

Mansplain - Large Mug

Regular price €12.50 EUR

Regular price Sale price €12.50 EUR
Unit price per
Girlboss - Large Mug

Girlboss - Large Mug

Regular price €12.50 EUR

Regular price Sale price €12.50 EUR
Unit price per
Transgender Flag Otters - Large Mug

Sold out

Transgender Flag Otters - Large Mug

Regular price €12.50 EUR

Regular price Sale price €12.50 EUR
Unit price per

Sold out
A Luxury Few Can Tolerate - Large Mug (B-Grade)

A Luxury Few Can Tolerate - Large Mug (B-Grade)

Regular price €10.00 EUR

Regular price Sale price €10.00 EUR
Unit price per
Small Candy Hearts - Large Mug

Small Candy Hearts - Large Mug

Regular price From €10.00 EUR

Regular price Sale price From €10.00 EUR
Unit price per
Hell No Candy Hearts - Large Mug

Hell No Candy Hearts - Large Mug

Regular price €12.50 EUR

Regular price Sale price €12.50 EUR
Unit price per
Nocturne

Nocturne

Regular price From €1.50 EUR

Regular price Sale price From €1.50 EUR
Unit price per
Button - Goblin Market

Button - Goblin Market

Regular price €1.00 EUR

Regular price Sale price €1.00 EUR
Unit price per
Karabiner - Goblin Market

Karabiner - Goblin Market

Regular price From €1.50 EUR

Regular price Sale price From €1.50 EUR
Unit price per
Sticker Sheet - Goblin Market

Sticker Sheet - Goblin Market

Regular price €4.00 EUR

Regular price Sale price €4.00 EUR
Unit price per
Raccoon with Trash Can - Large Mug

Sold out

Raccoon with Trash Can - Large Mug

Regular price €12.50 EUR

Regular price Sale price €12.50 EUR
Unit price per

Sold out
Tote Bag - Goblin Market

Tote Bag - Goblin Market

Regular price €20.00 EUR

Regular price Sale price €20.00 EUR
Unit price per
Tommyknockers - Squirm Sock

Tommyknockers - Squirm Sock

Regular price €28.00 EUR

Regular price ~~€0.00 EUR~~ Sale price €28.00 EUR
Unit price per
Gigi - Squirm Sock

Gigi - Squirm Sock

Regular price €28.00 EUR

Regular price ~~€0.00 EUR~~ Sale price €28.00 EUR
Unit price per
Matango - Squirm Sock

Matango - Squirm Sock

Regular price €28.00 EUR

Regular price ~~€0.00 EUR~~ Sale price €28.00 EUR
Unit price per
House - Squirm Sock

House - Squirm Sock

Regular price €28.00 EUR

Regular price ~~€0.00 EUR~~ Sale price €28.00 EUR
Unit price per

Showing 16 of 136 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"}