Dedicated Windsurfing Harness. All new. The introduction of performance. By windsurfers for windsurfers. The sweet spot of direct power transfer and modern comfortable support. The Obi Pro comes in either of two selectable Spreader Bar configurations. Sold separately. Fixed: 20 cm curved bar, two fixed webbing straps. Curv ® 360º hook pad with Belt Alignment, connecting into the sides of the rear shell, creating a 360 structure and connecting the harness all around. Sliding: 16 cm curved bar, sliding on one webbing strap.