Zone3 OWS Ti+ Thermal High Neck Costume

Engineered for dedicated open water swimmers, the Zone3 OWS Ti+ Thermal High Neck Costume is designed to keep you warm, comfortable, and performing at your best—no matter the conditions. This advanced watersports costume combines cutting-edge fabric technology with a sleek, performance-focused design, making it an essential piece of kit for cold-water sessions, wild swims, and triathlon training.

Crafted with Titanium-infused lining across the front and back interior panels, this suit offers enhanced thermal efficiency to help you stay warmer for longer. The high neckline provides extra protection from wind and cold water, while the centre rear zip ensures easy on-and-off access without compromising fit.

The outer material features a silky finish with UPF50+ protection, helping to block harmful UV rays while reducing drag for improved hydrodynamics. Built to last, the fabric offers excellent shape retention, and is 100% chlorine proof and sunscreen resistant—perfect for use in both open water and pool environments.

With concealed seams for maximum comfort against the skin, this suit offers a streamlined fit that supports freedom of movement while reducing chafing and irritation.

Key Features

• Internal Titanium Lining (front and back) for superior warmth

• High Neck Design for added coverage and cold-weather protection

• Centre Rear Zip for easy dressing and secure closure

• UPF50+ Sun Protection and shape-retaining outer fabric

• Fully Chlorine Proof & Sunscreen Resistant

• Concealed Seams for smooth, drag-reducing performance

Ideal For

• Open Water Swimming
  

• Triathlon Training
  

Whether you're prepping for a race or enjoying a cold-water plunge, the Zone3 OWS Ti+ Thermal High Neck Costume is built to support your performance, protect your body, and extend your swim season. Designed by athletes, for athletes—this is thermal swimwear that works as hard as you do.

Free Standard UK Delivery on orders over £35 are usually sent by Royal Mail Tracked 48 service (*exclusions apply see Delivery FAQs). FREE delivery, on orders over £35, applies to MOST, NOT ALL* UK mainland addresses (*exclusions apply see Delivery FAQs). We use a combination of Royal Mail and Carrier services and in some cases a signature is required to confirm receipt (high value/bulky orders).

For further detailed information please see Delivery FAQs.

We reserve the right to collate multiple orders into one delivery if going to the same address. We are unable to split orders/deliveries if any one item in an order is not available from stock, indicated by 'Despatch due date / Awaiting stock / Stock expected'. So we would usually despatch an order once complete as/when all the items are available from stock to send as one parcel.

Please email team@undersea.co.uk or phone us on 01736 751066 for a RETURNS AUTHORISATION NUMBER before sending the goods. Do please click here for all the details