Join ANNMS, subscribe to our newsletter and follow us on Instagram: @ANNMSSHOP

No Thanks


$590.00 CAD


-The Overshirt from Byborre is a classic button down overshirt produced in a combination of the brand's new O2L™ fabric and a woven ripstop cotton material. The shirt features two hand pockets integrated into the side seams, two large chest pockets, and RiRi snap button cuffs and front closure. The high quality construction and unique combination of materials make the Byborre Overshirt a welcome addition to any collection.

  • Knit: 100% cotton 
  • Woven: 100% cotton 
  • Ripstop cotton Woven - Front yoke, pockets, collar, cuffs, back & upper sleeve
  • O2L™ - Side to Underarm panels & front body
  • Two large chest pockets 
  • Two integrated hand pockets 
  • BYBORRE branded Riri snap buttons
  • E8-EX-402-610
  • Made in Portugal 


  • Regular fit 
  • How we measure
  • S M L
    1/2 Chest 54 56 58
    Length 74 76 78
    Sleeve  60 62 64


  • Machine wash cold, 30, low cycle. Do not tumble dry. Do not bleach. Iron low. Dry clean.

Domestic: $10 CAD flat via Canada Post Expedited Parcel (2-7 business days)
USA: $15 CAD flat via DHL Express Overnight (1-2 business days)
Europe: starts at  $32 via DHL Express (2-3 business days)
China: starts at  $20 via Epanex (15-20 business days) and DHL Express (3-5 business days)
Rest of Asia: starts at  $45 via DHL Express (2-5 business days)
Australia: starts at  $50 via DHL Express (3-5 business days)
Rest of the World: starts at  $50 via DHL Express (3-5 business days)For destinations other than Canada, and US, shipping charges are determined by the weight of each item of the order. Shipping charge breakdowns are indicated during the checkout process.Free shipping promotion only applies to the basic shipping option. Free shipping orders within Canada will be shipped using Canada Post Expedited Shipping; Free shipping orders to US will be shipped using DHL overnight shipping. International free shipping orders will be shipped using DHL Express. Please note additional tax and duty fee may apply for shipments outside of Canada. Such fees are outside of our control and thus ANNMS is not responsible for the additional charges. For further information on custom and excise policies in your country, please contact your local customs office.*Certain restrictions apply, all publications are excluded from from free shipping promotion. Free shipping promotion cannot be combined with any other promotion and/or sale items. All rights reserved by ANNMS. 

All regular priced items are eligible for exchange or store credit within 14 days from the purchase date, only in brand new, unworn condition. No cash refund. No return for publications.All sale items are final sale, no exception.All launch products are final sale, no exception. Please note ANNMS reserves the right to refuse any transactions, including exchanges/refunds, should the customer not comply with the aforementioned policies. Please ensure to contact us prior to any exchange or refund requests. ANNMS does not accept any returned parcels without prior communication with our staff.Unless specifically requested, ANNMS only provides receipts via email, please ensure to keep your email for return/ exchange purposes.  Please note, customers are responsible for all shipping charges to ship back orders to annms for exchange or refund for store credit.