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First Base Promo Codes and Coupons September 2025
First Base
ThisIsFirstBase.com is an Australian-based fashion brand specializing in premium basics and everyday essentials. They focus on creating minimalist, high-quality wardrobe staples including t-shirts, tanks, bodysuits, and loungewear. The brand emphasizes comfort and versatility in their designs, using soft, durable fabrics.
thisisfirstbase.comToday's First Base discount codes
TOP PICK
10% off
121 uses
high
worked 4 days ago
10% Off Storewide at First Base
Free Shipping
4 uses
high
worked 4 days ago
Free Shipping Storewide at First Base
20% off
2 uses
medium
worked about 4 years ago
Get up to 20% off with promo code
25% off
1 uses
medium
worked over 4 years ago
Score 25% off with code
What First Base coupons are available today?
We track so many discount codes. Read about today's First Base coupon statistics.
20
First Base deals available today
2
Active First Base codes
10% off
Biggest discount available
Get the best First Base promo codes and coupons that actually work. Our community of sustainability minded shoppers helps you save by testing and sharing:
- Verified promo codes with live success rates from recent shoppers!
- Exclusive single-use codes shared by our community (20 active codes).
- Drop alerts when First Base's most popular items go on sale!
- Deals for those who want extra savings opportunities
- Insider savings tips from experienced First Base shoppers who know the best deals.
Why TerraCoupons finds better First Base discounts:
- Live success tracking: See exactly which codes are working for other shoppers right now
- Real-time feedback: Every code attempt is tracked and ranked to show you the best options first
- Sale predictions: Get alerted when First Base's next big discount event is coming
- Exclusive savings: reseller discounts, shopping tips and sustainability tips you won't find elsewhere
10% off
1 uses
medium
worked over 8 years ago
Save 10% off with code
30% off
2 uses
medium
worked 4 months ago
Get 30% off with coupon code
$50 off
15 uses
low
worked over 2 years ago
$50 Off Storewide (Minimum Order: $100) at First Base
20% off
22 uses
low
worked about 2 years ago
20% Off Sale Items at First Base
20% off
19 uses
low
worked almost 3 years ago
20% Off Select Items at First Base
30% off
21 uses
low
worked over 2 years ago
30% Off Storewide (Discount Automatically Applied) at First Base
30% off
21 uses
low
worked almost 3 years ago
30% Off Storewide at First Base
10% off
26 uses
low
worked over 2 years ago
10% Off Storewide at First Base
Sustainability Score
65%
First Base shows commitment to sustainability through their use of organic cotton and recycled materials, but lacks transparency in their supply chain details. While they have made progress with eco-friendly packaging and ethical manufacturing claims, they provide limited information about their specific factory conditions and labor practices. Their animal welfare policies are basic, and their environmental impact reporting could be more comprehensive. The brand has room for improvement in providing detailed sustainability metrics and third-party certifications.
About First Base
3.0 (1)
FAQs
First Base typically runs major sales during Black Friday (November), Boxing Day (December), and End of Season (June/July). They also offer occasional flash sales to newsletter subscribers.
Yes, First Base offers a 10% student discount through Student Beans verification.
The best deals can be found during their Black Friday sale with discounts up to 50% off. End of season sales also offer significant savings on previous season items.
Yes, the Base Points program allows customers to earn points on purchases which can be redeemed for discounts on future orders.
In the past month, First Base has launched 8 new promo coupons for shopper discounts. This indicates that First Base provides regular opportunities for customers to save money on their purchases.
On average, First Base provides 4 discount coupons each month. Based on historical data, the average time between First Base coupon releases every 8 days. However, this rate depends on various factors such as seasonal promotions (Black Friday, Cyber Monday, etc.), product launches, or other marketing initiatives. To stay informed about upcoming discounts and promotions, we recommend checking First Base website regularly, subscribing to email newsletters, and following them on social media.
First Base is offering 2 working store-wide codes, however they are also offering 18 additional discount codes with a best discount of 10% off
terra.coupons is the #1 provider of discount codes for your favorite retailers, such as First Base. As a crowd-sourced platform for coupon codes, we accurate codes for over 10,000 stores. Save time and avoid expired codes by checking terra.coupons for the latest First Base discount codes.
Curated by
Aleksa P.
Deal Curator
Last updated September 2025
Aleksa is a deal finder from the tech-savvy city of Austin, Texas. A keen coder by day and a discount guru by night, Aleksa checks back regularly to update you with new deals.
Latest First Base coupon activity
Track real-time First Base coupon activity from our community. See which codes are working right now at First Base, when they were last verified, and any usage restrictions. Our feed helps you quickly find active codes and avoid expired ones.
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