Loaded with a massive sweet spot in an arm-friendly composition, the Ultra 108 v4 arms users with a weapon that builds confidence and dazzles with every swing. Not only does this frame feature the largest head size of Wilson's key performance racket franchises for added power and forgiveness, it also strategically mixes in the ground-breaking FORTYFIVE° carbon construction into the lay-up for enhanced stability and comfort upon contact. Additional upgrades include an expanded Sweet Spot Channel for a boost of power, a sleeker geometry for more ergonomic-oriented comfort and a design that simply wows on the court with a matte finish featuring colour-shifting blue tones.

• Larger head size for generous sweet spot with easy power and added forgiveness
• FORTYFIVE° strategically embedded into the lay-up provides enhanced stability while increasing comfort
• Revolutionary design integrates beautiful, color-shifting blue tones with a matte finish for captivating look
• Expanded Sweet Spot Channel features cavity on inside of frame to extend cross strings and increase grommet movement for more power
• Crush Zone grommet system compresses at impact to boost power and ball dwell time on strings
• Revised geometry applies more comfortable, ergonomic design and reduces bulk while maintaining stability
• Parallel Drilling provides a consistent, more forgiving string bed response
• Agiplast plant-based bumper, grommet and end cap components reduce environmental footprint

  
  Specifications

  Weight Unstrung (+/- 5g) 270g
  Head Size in Sq. in 108
  Beam Width 26/27.5/25 mm Tapered Beam
  Balance (+/- 5mm) 345 mm
  String Pattern 16x18
  Length in inches 27 inches
  Stringing Tension Range 50-59 lbs