O’Neill Men’s 4/3mm HyperX Stitchless LTD Chest Zip

Product Highlights:

• HyperX Stitchless Technology
• Beyond Freedom

O’Neill’s Hyper X wetsuit features advanced stitchless seam construction. First launched in 2002, this technology now pairs with all-over TB3X high-stretch neoprene for warmer, longer sessions. Traditional stitched seams can form pinholes that let cold water in, but O’Neill’s stitch-free design eliminates leakage and boosts thermal efficiency. The result is improved warmth, reduced fatigue, and exceptional flexibility.

Key Features:

• TB3X – 100% TechnoButter 3X
• Taped TB3X Seams
• Fluid Weld – Stitchless seam construction
• 360° Anti-Flush Barrier
• Super Seal Collar
• 4/3mm

The O’Neill Hyper X Stitchless wetsuit delivers next-level performance with revolutionary Hyper X Stitchless technology. Combining advanced stitch-free seam construction with premium TechnoButter 3X (TB3X) high-stretch neoprene, this wetsuit provides superior warmth, flexibility, and dryness for extended sessions in the water. Why Hyper X?

• Eliminates pinhole leaks common in traditional stitched seams
• Offers exceptional thermal efficiency and reduced fatigue
• Provides unmatched flexibility and freedom of movement
• Features a 360° Anti-Flush Barrier and Super Seal Collar for maximum warmth and comfort

Perfect for surfers seeking high-performance warmth without compromising mobility.

O’Neill Wetsuit Size Guide