Derivation II - Women's Relaxed T-Shirt
- Regular price
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$ 545.00 - Regular price
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$ 545.00 - Sale price
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$ 545.00
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Shipping information
Standard 5 to 8 business day shipping is free to any location in North America or Europe. All other international shipping incurs a flat rate charge of about MX$192.11 (the equivalent of ten U.S. dollars) for 5 to 10 business day shipping.
For more information, please refer to our Shipping Policy.
Returns information
You have 30 days after receiving your item to request a return and receive a refund. Items must be in the same condition as they were when you received them, unworn or unused, with tags, and in original packaging.
For more information, please refer to our Refund Policy.




















Product Details
This just might be the softest and most comfortable women's t-shirt you'll ever own, and it featues the stunning Derivation II Celtic knot design. This graphic tee is thoughtfully designed to provide an easygoing, relaxed fit without compromising on style, making it the perfect addition to any woman's wardrobe. Combine the relaxed fit and smooth fabric of this tee with jeans to create an effortless every-day outfit.
• 100% combed and ring-spun cotton
• Athletic heather is 90% cotton, 10% polyester
• Other heather colors are 52% cotton, 48% polyester
• Fabric weight: 4.2 oz/y² (142 g/m²)
• Relaxed fit
• Pre-shrunk fabric
• Side-seamed construction
• Crew neck
• Blank product sourced from Nicaragua, Honduras, or the US
Released: September 6, 2023
Size guide
SHIRT WIDTH (inches) | SHIRT LENGTH (inches) | US SIZES | EU SIZE | UK SIZE | SLEEVE LENGTH (inches) | |
S | 18 ½ | 25 ¼ | 6-8 | 36-38 | 10-12 | 7 ¾ |
M | 20 | 26 | 10-12 | 40-42 | 14-16 | 8 ¼ |
L | 22 | 26 ¾ | 14-16 | 44-46 | 18-20 | 8 ¾ |
XL | 24 | 27 ½ | 18-20 | 48-50 | 22-24 | 9 ½ |
2XL | 26 | 28 ¼ | 22-24 | 52-54 | 26-28 | 10 ¼ |
3XL | 28 | 29 | 26-28 | 56-58 | 30-32 | 10 ¾ |
Derivation II
The `Morning Star Fire` and `Reach Of The Spirit` Celtic knots represent the celestial bodies of the Sun and Earth and their cosmic dance, from which life as we know it is derived. `Derivation II` celebrates this sacred connection that stretches eons.
Xigfireon pledges at least 10% of monthly profits to be donated to charity, equally divided between Doctors Without Borders, Food For The Poor, and Mercy Corps.
It's time to celebrate the Sun and summer!
As the summer solstice brings the longest day and shortest night, we honor the ancient Celtic traditions that celebrated this radiant moment. For the Celts, it was a time to revere the sun at its peak, gather in unity, and give thanks for the earth’s abundance. Bonfires were lit, rituals performed, and the harmony between nature and humanity embraced. Today, as we soak in the solstice light, may we carry forward their spirit of gratitude, growth, and connection.
Browse `Morning Star Fire`In celebration of this year's Summer Solstice, we're offering everything in the `Morning Star Fire` Celtic knot collection for 25% off from Wednesday, June 18th through Sunday, June 22nd. As a collection discount, you'll see this discount automatically applied to eligible items when you add them to your shopping cart.