Studio B3

Rego Beanie Hat


Everyone needs a soft, warm beanie to carry them through cooler weather. This one in particular is a lovely candidate; hand-sewn from a patchwork of knit fabrics, it will keep you cozy AND adds a bit of edge to any look.


  • 100% cotton.
  • Hand wash cold, air dry.
  • Designed and made in Poland.
  • Found at our 51 Charles St. location. 
  • Click MORE INFORMATION below for sizing and brand info.


Poland-based Studio B3 mixes comfortable, hand-dyed fabrics with asymmetric and layered shapes to create utterly wearable pieces: lightweight, flowy cardigan coats, ruched ankle-length dresses, and basic yet edgy cotton tanks and tunics. They adhere to sustainable fashion practices, and encourage wearers to avoid ironing and tumble-drying their pieces, in order to wear over time based on the individual. Their motto is 'black is the only constant,' which we at December Thieves have no problem believing in!




36 SM
38 MD
40 LG
42 XL


Each item found at DECEMBER THIEVES is lovingly crafted.  We work with small artisans and independent designers who follow small batch manufacturing practices.  For them this means working solo with a handful of studio assistants or with small family run workspaces to bring to life their creations.

For us this means high quality unique products in very small quantities and a true dedication to the transformative power of a product made with passion.  Nothing is mass produced, nothing that can be reordered on a whim, and when it runs out, it runs out.

Important to note the items you find online are one and the same as those found in our brick and mortar locations- so snatch them up while you can!

For clients outside Boston + the surrounding areas we will gladly accept items for a full refund within 7 days of you receiving your order. Store credit or exchange is offered up to 14 days after you receive your order. 

For clients in Boston + the surrounding areas we will gladly accept items for store credit or exchange up to 14 days after you receive your order. 

All items must be in their original condition with tags attached and show no signs of wear.

Tights, socks and food items are all final sale.

All SALE items are final sale and may not be exchanged or returned for credit- this includes items purchased with a WEB DISCOUNT CODE or SALE MARKDOWNS.

Click HERE for additional information. 

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