RynoSkin Total ShirtSize Chart 2X Small For Ages 4 to 6 years old XS CHEST 23 26 WAIST 18 23 SM CHEST 34 36 WAIST 26 30 MD CHEST 38 40 WAIST 32 34 LG CHEST 42 44 WAIST 36 38 XL CHEST 46 50 WAIST 40 44 2X CHEST 52+ WAIST 46+ 3X CHEST 56+ WAIST 50+ About This Product Chemical Free, No Insecticides or Pesticides Protects From Ticks, Mosquitoes, Chiggers, and Other Insects Protects Upper Body Torso and Arms 99. 9% Effective Patented Technology Light, Breathable, Cool Worn As