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ISLAND KNOCKOUT TEE INDIGO BLUE is a Corteiz t-shirt in blue from the brand’s UK streetwear range — designed as a everyday essential for everyday wear. Cut true to size through the body, featuring ribbed crew neckline. Available in UK sizes with £10 flat-rate delivery from cortezsuk.com.
ISLAND KNOCKOUT TEE INDIGO carries the Corteiz attitude without shouting about it. It’s in the ribbed crew neckline, the true to size through the body silhouette — the quiet confidence of a t-shirt that knows what it is.
Style it as your everyday essential: it doesn’t need much help. The blue colourway is the versatile choice — it goes with everything.
UK streetwear is about authenticity over hype. This piece gets that.
Care Instructions
- Machine wash cold (30°C) with like colours
- Turn inside out before washing
- Do not tumble dry unless label states otherwise
- Cool iron if needed
- Do not bleach
Size Guide
Corteiz t-shirts are cut true to size through the body. If you prefer an oversized streetwear fit, we recommend sizing up one size.
| Size | Fit Guidance |
|---|---|
| XS – S | Slimmer fit — size up for relaxed/oversized look |
| M – L | Standard fit — true to size for most builds |
| XL – XXL | Relaxed fit — already roomy, no need to size up |
UK Shipping
- Cost: £10 flat rate UK delivery
- Processing: 2–4 business days
- Transit: 5–7 business days
- Total delivery time: 7–11 business days
Returns & Refunds
- 14-day return window from delivery
- Items must be unworn, unwashed, with tags attached
- Refunds issued to original payment method
- Contact us via WhatsApp +44 7534268065 to start a return
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Frequently Asked Questions
How do I wash the ISLAND KNOCKOUT TEE INDIGO?
Machine wash cold at 30°C with like colours, turned inside out. Hang dry naturally — do not tumble dry.
Can I return the ISLAND KNOCKOUT TEE INDIGO?
Yes — within 14 days of delivery, unworn with tags attached. Contact us on WhatsApp +44 7534268065 to arrange.
How does the ISLAND KNOCKOUT TEE INDIGO fit?
It’s cut true to size through the body. Order your normal size for a standard fit, or go one size up for an oversized streetwear look.
What should I wear with the ISLAND KNOCKOUT TEE INDIGO?
It works as a everyday essential. Pair it with other Corteiz pieces in a similar colourway — see related products above.
Is the ISLAND KNOCKOUT TEE INDIGO suitable for everyday wear?
Yes — it’s designed as a everyday essential for daily use, not just special occasions. The construction prioritises comfort and durability.
Ivy Fisher (verified owner) –
Really happy with the ISLAND KNOCKOUT TEE INDIGO BLUE. Would recommend to friends.