Oakley Cosmic Tides 18 Inch Men Beach Swim Short Swirl Black/Yellow
Size chart
For better accuracy, we recommend checking manufacturer’s websites, as sizes may vary from one brand to another.
| EU | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 49.5 | 50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 |
| US - Men's | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 |
| US - Women's | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 |
| Foot length (in) | 8 1/2 | 8 11/16 | 8 13/16 | 9 | 9 3/16 | 9 5/16 | 9 1/2 | 9 11/16 | 9 13/16 | 10 | 10 3/16 | 10 5/16 | 10 1/2 | 10 11/16 | 10 13/16 | 11 | 11 3/16 | 11 5/16 | 11 1/2 | 11 11/16 | 11 13/16 | 12 | 12 3/16 | 12 5/16 | 12 1/2 |
| Foot length (cm) | 21.6 | 22 | 22.4 | 22.9 | 23.3 | 23.7 | 24.1 | 24.5 | 25 | 25.4 | 25.8 | 26.2 | 26.7 | 27.1 | 27.5 | 27.9 | 28.3 | 28.8 | 29.2 | 29.6 | 30 | 30.5 | 30.9 | 31.3 | 31.7 |
| EU | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 49.5 | 50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 |
| US - Men's | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 |
| US - Women's | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 |
| Foot length (in) | 8 1/2 | 8 11/16 | 8 13/16 | 9 | 9 3/16 | 9 5/16 | 9 1/2 | 9 11/16 | 9 13/16 | 10 | 10 3/16 | 10 5/16 | 10 1/2 | 10 11/16 | 10 13/16 | 11 | 11 3/16 | 11 5/16 | 11 1/2 | 11 11/16 | 11 13/16 | 12 | 12 3/16 | 12 5/16 | 12 1/2 |
| Foot length (cm) | 21.6 | 22 | 22.4 | 22.9 | 23.3 | 23.7 | 24.1 | 24.5 | 25 | 25.4 | 25.8 | 26.2 | 26.7 | 27.1 | 27.5 | 27.9 | 28.3 | 28.8 | 29.2 | 29.6 | 30 | 30.5 | 30.9 | 31.3 | 31.7 |
| Size | S | M | L | XL | XXL |
|---|---|---|---|---|---|
| Chest (in) | 34–36 | 38–40 | 42–44 | 46–48 | 50–52 |
| Chest (cm) | 86–91 | 97–102 | 107–112 | 117–122 | 127–132 |
| Waist (in) | 28–30 | 32–34 | 36–38 | 40–42 | 44–46 |
| Waist (cm) | 71–76 | 81–86 | 91–97 | 102–107 | 112–117 |
| Hips (in) | 35–37 | 38–40 | 41–43 | 44–46 | 47–49 |
| Hips (cm) | 89–94 | 97–102 | 104–109 | 112–117 | 119–124 |
| EU | 35 | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UK | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 |
| US - Women's | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 |
| US - Men's | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 |
| Foot length (in) | 8 1/2 | 8 11/16 | 8 13/16 | 9 | 9 3/16 | 9 5/16 | 9 1/2 | 9 11/16 | 9 13/16 | 10 | 10 3/16 | 10 5/16 | 10 1/2 | 10 11/16 | 10 13/16 | 11 | 11 3/16 | 11 5/16 | 11 1/2 | 11 11/16 | 11 13/16 | 12 | 12 3/16 | 12 5/16 | 12 1/2 |
| Foot length (cm) | 21.6 | 22 | 22.4 | 22.9 | 23.3 | 23.7 | 24.1 | 24.5 | 25 | 25.4 | 25.8 | 26.2 | 26.7 | 27.1 | 27.5 | 27.9 | 28.3 | 28.8 | 29.2 | 29.6 | 30 | 30.5 | 30.9 | 31.3 | 31.7 |
| EU | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 49.5 | 50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 |
| US - Men's | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 |
| US - Women's | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 |
| Foot length (in) | 8 1/2 | 8 11/16 | 8 13/16 | 9 | 9 3/16 | 9 5/16 | 9 1/2 | 9 11/16 | 9 13/16 | 10 | 10 3/16 | 10 5/16 | 10 1/2 | 10 11/16 | 10 13/16 | 11 | 11 3/16 | 11 5/16 | 11 1/2 | 11 11/16 | 11 13/16 | 12 | 12 3/16 | 12 5/16 | 12 1/2 |
| Foot length (cm) | 21.6 | 22 | 22.4 | 22.9 | 23.3 | 23.7 | 24.1 | 24.5 | 25 | 25.4 | 25.8 | 26.2 | 26.7 | 27.1 | 27.5 | 27.9 | 28.3 | 28.8 | 29.2 | 29.6 | 30 | 30.5 | 30.9 | 31.3 | 31.7 |
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Bust (in) | 31–32 | 33–35 | 36–37 | 38.5–40 | 41.5–43 |
| Bust (cm) | 79–81 | 84–89 | 91–94 | 98–102 | 105–109 |
| Waist (in) | 24–25 | 26–27 | 28–29 | 30.5–32 | 33.5–35 |
| Waist (cm) | 61–64 | 66–69 | 71–74 | 77–81 | 85–89 |
| Hips (in) | 34–35 | 36–37 | 38–39 | 40.5–42 | 43.5–45 |
| Hips (cm) | 86–89 | 91–94 | 97–99 | 103–107 | 110–114 |
| EU | 27 | 28 | 30 | 31 | 32 | 33 | 34 |
|---|---|---|---|---|---|---|---|
| UK | 9 | 10 | 11 | 12 | 13 | 1 | 2 |
| US | 10C | 11C | 12C | 13C | 1Y | 2Y | 3Y |
| Foot length (in) | 6 1/2 | 6 3/4 | 7 1/8 | 7 1/2 | 7 3/4 | 8 1/8 | 8 1/2 |
| Foot length (cm) | 16.5 | 17.1 | 18.1 | 19.1 | 19.7 | 20.6 | 21.6 |
| Size (years) | 2–3 | 4–5 | 6–7 | 8–9 | 10–11 | 12–13 |
|---|---|---|---|---|---|---|
| Height (in) | 34–38 | 39–43 | 44–48 | 49–53 | 54–58 | 59–63 |
| Height (cm) | 86–97 | 99–109 | 112–122 | 124–135 | 137–147 | 150–160 |
| Chest (in) | 20–21 | 22–23 | 24–25 | 26–27 | 28–29 | 30–31 |
| Chest (cm) | 51–53 | 56–58 | 61–64 | 66–69 | 71–74 | 76–79 |
| Waist (in) | 19.5–20.5 | 21–22 | 22–23 | 23–24 | 24–25 | 25–26 |
| Waist (cm) | 50–52 | 53–56 | 56–58 | 58–61 | 61–64 | 64–66 |
Out of stock
Changed your mind? No worries!
You have 14 days from delivery (up to 30 days from placing your order) to return your item.
Just make sure the product is unused and in its original packaging.
- Free home pickup: We will send a courier to collect your item with no fees.
- Fast store credit: After a quick inspection, we will issue online store credit so you can reorder.
- Prefer in-store? Enjoy a free, instant exchange at any Mike Sport branch.
(*)Return and exchange policy might differ during promotions and special events.
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The groove is on. So is your look. The Cosmic Tides 18" Boardshort reimagines retro prints in bold color combos and stretchy, flexible fabric that turn heads and feels like a dream. We up-leveled your trunk game with branded eyelets, a fly gusset closure and a Velcro-flap pocket at the back. The surf-ready silhouette is made for performance without compromising comfort. Just add water and you’re ready to shred.
Highlights:
- Allover print
- Adjustable waistband with drawcord for personalized fit
- Branding eyelets and tip for polished look
- Fly gusset closure system eliminates irritation and provides a more comfortable fit
- Back pocket with inner loop and Velcro flap closure secure essentials
- Ellipse logo shape patch on left leg for distinct branding
- Straight hem
- 18" length
- Performance Fit
Composition:
- 100% Polyester
Color: Swirl Black/Yellow
Product Code: 405403-9Z9
We offer fast, reliable delivery across Lebanon and easy return options.
Shipping:
Orders are delivered within 5 working days. Our courier will contact you to confirm your address and delivery time. You’ll receive updates by email once your order is on the way.
Returns & Exchanges:
You can return or exchange your item within 14 days if it's unused and in its original packaging.
In-store: Instant exchange.
From home: Contact us and we’ll arrange pickup within 5 days. A store credit refund will be issued once the product inspection is completed.
Oakley Cosmic Tides 18 Inch...
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Shipping & Delivery
1. How long does delivery take?
Orders within Lebanon are delivered in up to 5 working days. Our courier will contact you to confirm delivery details.
2. Do you deliver outside Lebanon?
Yes, we provide international shipping. Customs fees are not included and shipping costs are calculated case by case.
3. Can I schedule my delivery time?
Our courier will call you to confirm the address and schedule a suitable delivery time.
4. What happens if I miss the delivery call?
If calls are not answered for 10 days, the order will be cancelled and returned. Associated costs will be deducted, and the balance refunded.
Returns & Exchanges
1. Can I return or exchange my order?
Yes, you can return or exchange items within 14 days if unused and in original packaging.
2. How do I start a return?
Visit any Mike Sport branch or contact our team to arrange a pickup within 5 working days.
3. Are there items I cannot return?
For hygiene reasons, underwear, socks, swimwear, and food items are non-returnable.