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ISLAND KNOCKOUT SWEATSHORT BLACK is a Corteiz shorts in black from the brand’s UK streetwear range — designed as a warm-weather rotation for everyday wear. Cut relaxed above the knee, featuring elasticated waistband. Available in UK sizes with £10 flat-rate delivery from cortezsuk.com.
Not all shorts are created equal. ISLAND KNOCKOUT SWEATSHORT sits firmly in the category of pieces you’ll actually wear — not the ones that sit in the wardrobe with tags on.
What sets it apart: elasticated waistband executed properly, a cut that’s relaxed above the knee, and a black palette that doesn’t fight the rest of your clothes.
If you’re building a UK streetwear wardrobe around pieces that last beyond a season, this shorts belongs in the conversation.
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 shorts are cut relaxed above the knee. 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 SWEATSHORT?
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 SWEATSHORT?
Yes — within 14 days of delivery, unworn with tags attached. Contact us on WhatsApp +44 7534268065 to arrange.
How long does UK delivery take for the ISLAND KNOCKOUT SWEATSHORT?
Processing takes 2–4 business days plus 5–7 business days transit. Total 7–11 business days for £10 flat rate UK delivery.
Is the ISLAND KNOCKOUT SWEATSHORT suitable for everyday wear?
Yes — it’s designed as a warm-weather rotation for daily use, not just special occasions. The construction prioritises comfort and durability.
How does the ISLAND KNOCKOUT SWEATSHORT fit?
It’s cut relaxed above the knee. Order your normal size for a standard fit, or go one size up for an oversized streetwear look.
Kian Roberts (verified owner) –
The ISLAND KNOCKOUT SWEATSHORT BLACK exceeded my expectations – comfy and well made.