O'Neill Thermo-X Short
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Shipping
Shipping
You can calculate the delivery costs for your order by simply adding items to the basket and entering your delivery address.
This is an automatic service and does not require you to register or give any details.
View full delivery T&Cs.
Returns
Returns
We offer a 30 day returns policy for unwanted items.
All items must be returned to us unused, and include original packaging.
If you change your mind and want to return this item, you will be responsible for the cost of returning it to us.
We have partnered with Royal Mail to offer our customers a £3 returns label. For full terms and conditions please view our full returns policy.
Price Match
Price Match
If you find a product cheaper elsewhere online, we may be able to price match it.
Send us a link to the website page you want us to match, either by email, live chat, or Whatsapp.
The product must be in stock on the other website, and the price match will include any additional postage costs.
O'Neill - Mens Wetsuits Size Guide
| O'Neill Product Size | Height (cm) | Weight (kg) | Chest (cm) | Waist (cm) |
| 2XS | 168–173 | 52–59 | 90–93 | 70–72 |
| XS | 170–175 | 57–64 | 93–95 | 72–75 |
| SS | 166–171 | 59–68 | 95–99 | 75–79 |
| S | 173–178 | 61–70 | 95–99 | 75–79 |
| ST | 183–188 | 66–75 | 95–99 | 75–79 |
| MS | 169–174 | 66–75 | 99–104 | 79–84 |
| M | 175–180 | 70–77 | 99–104 | 79–84 |
| MT | 185–191 | 73–82 | 99–104 | 79–84 |
| LS | 171–177 | 73–82 | 104–110 | 84–89 |
| L | 178–183 | 77–86 | 104–110 | 84–89 |
| LT | 188–193 | 82–91 | 104–110 | 84–89 |
| XLS | 174–179 | 82–91 | 110–117 | 89–94 |
| XL | 180–185 | 86–95 | 110–117 | 89–94 |
| XLT | 191–196 | 91–100 | 110–117 | 89–94 |
| 2XL | 183–188 | 95–104 | 117–123 | 94–99 |
| 3XL | 183–191 | 104–113 | 123–130 | 99–112 |
| 4XL | 185–193 | 113–122 | 130–136 | 112–122 |
O'Neill Thermo-X Short
Engineered to deliver high-performance warmth without added bulk, the O'Neill Thermo-X Shorts provide maximum base-layer insulation for cold-water sessions. Designed to be worn solo or cleanly under your wetsuit, they combine rapid-drying water repellency with unrestricted mobility to keep you warm and agile in the water.
Features
- Maximum Base-Layer Insulation
- 4-Way Stretch Fabric
- Water Repellency
- Rash Protection
- Strategic Seam Placement
- Super Low Neck: No Interference with Wetsuit Neck
- Boardshort Connector
- 220g Nylon/Spandex with HyperDry for maximum insulation and minimal water absorption
- Thermo-X HyperDry
- Flatlock Stitched Breathable Seams
Shipping
Shipping
You can calculate the delivery costs for your order by simply adding items to the basket and entering your delivery address.
This is an automatic service and does not require you to register or give any details.
View full delivery T&Cs.
Returns
Returns
We offer a 30 day returns policy for unwanted items.
All items must be returned to us unused, and include original packaging.
If you change your mind and want to return this item, you will be responsible for the cost of returning it to us.
We have partnered with Royal Mail to offer our customers a £3 returns label. For full terms and conditions please view our full returns policy.
Price Match
Price Match
If you find a product cheaper elsewhere online, we may be able to price match it.
Send us a link to the website page you want us to match, either by email, live chat, or Whatsapp.
The product must be in stock on the other website, and the price match will include any additional postage costs.

