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Bestseller
Complete your look
Product Information
Born for outdoor performance – lightweight, durable, and with excellent ventilation. Our windbreaker offers unrestricted movement and is ready to tackle any challenge, whether it’s wind or rain. With an adjustable hem, featuring a bungee cord and toggle, and a hood that can be tailored to your preference, this jacket adapts to your needs. Equipped with branded, auto-lock zippers at the front, it delivers both protection and style. The perfect choice for runs, daily wear, and everything in between.
Material and Care
Material
88% POLYESTER
12% SPANDEX
Care instructions
Hand wash
Do not use softeners
Do not bleach
Do not tumble dry
Do not dry clean
Do not iron
Shipping & Returns
Shipping:
We work with top-tier shipping partners worldwide to ensure fast and secure delivery.
Shipping costs are calculated at checkout.
– Shipping to Germany is free for orders over €150.
– Shipping to Austria and Switzerland is free for orders over €200.
– Shipping to other European countries is free for orders over €300.
– Shipping to non-European countries is free for orders over €350.
Returns:
You can return your items within 14 days of receiving your order.
Return shipping costs €4.99 and will be deducted from your refund.
Returns can easily be registered through our returns and tracking portal:
https://day-1.com/pages/tracking

Free Goodie
Free Performance Cap
from CHF 150 order value
Free Crew Beanie
from CHF 200 order value
Discover more
day one is a mindset.
Built on conviction and obsession, we create performance wear for those who show up every day, no matter what.
Every piece is tested in real-world conditions, from 3,000 km ultraruns to endless hours in the gym.
Our design is clean, minimalist and functional. Every cut, every seam and every material serves a purpose. No distractions, just timeless silhouettes that move with you.
We use only premium materials for exceptional durability, comfort and a precise fit, with attention to every detail, from stitching to packaging.

Discipline. Vision. Obsession.
May our day one performance wear inspire you to embrace every challenge and redefine your limits.
As founders, we live what day one stands for. Arda ran 3,000 kilometres from Berlin to New York, followed by another 3,000 kilometres across Japan, running 1.5 to 2 marathons every day. This year, he took on Death Valley: 604 kilometres in 123 hours, through desert and heat.
Our pieces weren’t simply designed. They were forged. Kilometre by kilometre, workout by workout, under the most extreme conditions.
When you wear them, you feel what day one stands for.























































































