O'Neill Psycho One 4/3 mm Chest Zip men's wetsuit, black (2023)

<p><strong>O'Neill Psycho One 4/3 mm Chest Zip men's wetsuit, 2023 model, black.</strong></p><ul><li>Thickness: 4/3 mm.</li><li>Water temperature range: 12 to 15 °C.</li><li>Lightweight, stretchy TechnoButter 3 neoprene.</li><li>F.U.Z.E. chest entry designed to support mobility and limit water entry.</li><li>Double-seal neck to improve sealing and reduce chafing.</li><li>GBS seams with external fluid seam weld.</li><li>Krypto knee pads.</li><li>External key pocket.</li></ul><p><strong>Size guide (height / weight / chest / waist):</strong></p><ul><li>XS: 170-175 cm / 57-64 kg / 92-95 cm / 72-74 cm</li><li>S: 173-178 cm / 64-70 kg / 95-99 cm / 74-78 cm</li><li>ST: 183-188 cm / 66-75 kg / 95-99 cm / 74-78 cm</li><li>MS: 169-174 cm / 66-75 kg / 99-104 cm / 78-83 cm</li><li>M: 175-180 cm / 70-77 kg / 99-104 cm / 78-83 cm</li><li>MT: 185-191 cm / 73-82 kg / 99-104 cm / 78-83 cm</li><li>LS: 171-177 cm / 73-82 kg / 104-110 cm / 83-88 cm</li><li>L: 178-190 cm / 77-86 kg / 104-110 cm / 83-88 cm</li><li>LT: 188-193 cm / 82-91 kg / 104-110 cm / 83-88 cm</li><li>XLS: 174-179 cm / 82-91 kg / 110-116 cm / 88-93 cm</li><li>XL: 180-185 cm / 86-95 kg / 110-116 cm / 88-93 cm</li></ul>