ONeill Epic 4/3 Chest Zip Winter Wetsuit Black/Slate

• Thickness – 4/3 mm (4 mm core for warmth, 3 mm arms for flexibility)
• Entry System – F.U.Z.E. Chest Zip (Front Upper Zip Entry)
• Neoprene – Ultraflex Neoprene
• Seams – Glued & Blindstitched Seams
• Panels – Strategic Seamless Paddle Zones
• Neck – Double Super Seal Neck Closure
• Wrist/Ankles – Hand-Cuff Stitch Sleeve Anchors
• Knees – Krypto Knee Padz for durability
• LSD – Lumbar Seamless Design for comfort and flexibility
• Lining – Fully double lined for increased durability & performance
• Warranty – 1 year workmanship and materials

Suit Description

The O’Neill Epic 4/3 Chest Zip Winter Wetsuit delivers reliable warmth and flexibility for cold-water surfing, with many of the same features found in O’Neill’s premium suits. Fully double lined for extra durability and performance, this suit provides the perfect balance of insulation and stretch, making it an excellent choice for spring, autumn, and milder winter conditions.

The F.U.Z.E. chest zip entry provides a secure, flexible fit and helps reduce water entry. Ultraflex neoprene keeps the suit stretchy and comfortable, while glued and blindstitched seams maintain warmth. A double super seal neck closure and hand-cuff stitch sleeve anchors limit flushing, and Krypto Knee Padz add toughness in high-wear areas. Strategic seamless paddle zones and O’Neill’s Lumbar Seamless Design improve comfort where it matters most.

With its 4/3 mm thickness, the Epic Chest Zip offers dependable protection for water temperatures around 10–14C. Ideal for surfers who want a versatile wetsuit that can cover most of the year without the bulk of a thicker winter build.

Expert Advice

The Epic 4/3 is a great value mid-thickness wetsuit, offering solid cold-water performance without the weight of a 5/4 or hooded suit. While it doesn’t match the premium feel of O’Neill’s TechnoButter suits, the Ultraflex neoprene still delivers comfort and flexibility, with chest zip entry and GBS seams usually seen in higher-end models.

If you’re looking for a versatile wetsuit that handles cool to cold water conditions, the Epic 4/3 Chest Zip is a smart, durable and affordable choice. It’s warm, flexible and dependable — a true all-rounder in the O’Neill range.