Onyx General Purpose Boating Vest Onyx Vest Child Red Onyx General Purpose Vest Infant General Purpose Vest ? Provides a leg strap, pop up pillow, and grab strap for quick recovery.? Fits Infants less than 50 lbs.? Type II. Child General Purpose Vest ? Features a leg strap for added safety.? Fits 30-50 lb. children.? Type III. Youth General Purpose Vest ? Fits 50-90 lb. youth.? Type III.