The Alkali RPD Visium Padded Jock is built with 16-way stretch Lycra and ergonomic foams to provide a close-to-the-body fit and snug feel. 16-way stretch Lycra is designed so that you get every ounce of power from each stride you take unlike other materials on the market that inhibit your range of motion. 

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Size Chart

• Alkali Sizing Guidelines:
  Jock Size / Waist Size (inches)
  SR S/M  /  32" - 36"
  SR L/XL  /  36" - 38