Callimorphosis
FsOne Heavyweight Shirt White
FsOne Heavyweight Shirt White
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Product measurements
Inches
A. WIDTH (HALF) (in) | B. LENGTH (in) | C. SLEEVE LENGTH (in) | |
S | 18 ¼ | 26 ⅝ | 16 ¼ |
M | 20 ¼ | 28 | 17 ¾ |
L | 22 | 29 ⅜ | 19 |
XL | 24 | 30 ¾ | 20 ½ |
2XL | 26 | 31 ⅝ | 21 ¾ |
Centimeters
A. WIDTH (HALF) (cm) | B. LENGTH (cm) | C. SLEEVE LENGTH (cm) | |
S | 46.4 | 67.6 | 41.3 |
M | 51.4 | 71.1 | 45 |
L | 55.9 | 74.6 | 48.3 |
XL | 61 | 78.1 | 52 |
2XL | 66 | 80.3 | 55.3 |
Please use the provided images to determine your size.
Disclaimer: If you want to achieve a more of an oversized look, we recommend ordering one size up.

Limited edition
Black on white colorway, only 25 available worldwide, no restocks!
Heavyweight and soft t-shirt with our FsOne abstract calligraphy design. Large print on the front and small logo print on the neck. We recommend sizing up for a more oversized fit.
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
Limited edition
Black on white colorway, only 25 available worldwide, no restocks!
Heavyweight and soft t-shirt with our FsOne abstract calligraphy design. Large print on the front and small logo print on the neck. We recommend sizing up for a more oversized fit.
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
Every product is crafted exclusively for you when you order, a process that upholds our commitment to sustainability by minimizing waste and avoiding overproduction. This eco-friendly approach may sometimes cause a slight delay, so please bear with us if it takes a bit longer. We aim to have your order with you in 7-9 business days. Thank you for supporting sustainable choices!
For more information, check out our Shipping & Fulfilment page
Every product is crafted exclusively for you when you order, a process that upholds our commitment to sustainability by minimizing waste and avoiding overproduction. This eco-friendly approach may sometimes cause a slight delay, so please bear with us if it takes a bit longer. We aim to have your order with you in 7-9 business days. Thank you for supporting sustainable choices!
For more information, check out our Shipping & Fulfilment page
Machine wash cold (30C/86F), inside-out, gentle cycle with mild detergent and similar colors. Use non-chlorine bleach, only when necessary. No fabric softeners.
Tumble dry low, or hang-dry for longest life.
Cool iron inside-out if necessary. Do not iron decoration.
Do not dry clean.
Machine wash cold (30C/86F), inside-out, gentle cycle with mild detergent and similar colors. Use non-chlorine bleach, only when necessary. No fabric softeners.
Tumble dry low, or hang-dry for longest life.
Cool iron inside-out if necessary. Do not iron decoration.
Do not dry clean.
Because each product is custom-made, we do not offer standard returns. However, if your item arrives damaged or there’s an issue with your order, please don't hesitate to reach out to us with photos, and we’ll work with you to provide a replacement or refund.
Because each product is custom-made, we do not offer standard returns. However, if your item arrives damaged or there’s an issue with your order, please don't hesitate to reach out to us with photos, and we’ll work with you to provide a replacement or refund.