2023 Invincible Challenge - TANK ONLY - NOW SHIPPING

2023 Invincible Challenge The 2023 Invincible Challenge is a flexible year-long challenge. Choose from either 2023 MILES or 2023 KM to be completed individually or tackled with a team. Count all distance completed since Jan 1, 2023. Includes:  ladies racer back or rocker (high neck) tank Invincible Challenge Facebook group access online manual log access downloadable tracker you can print and color as you go    ABOUT THE TANKS:  Tanks are pre-shrunk, super soft and lightweight performance tri-blend (cotton 25, poly 50, rayon 25) Please refer to charts below and compare measurements to one of your current favorite-fit shirts for best sizing. Sizes noted are for the garment itself. If you prefer a looser fit, size up accordingly.  ALL SIZE CHARTS ARE IN INCHES   LADIES RACER BACK TANK PRODUCT MEASUREMENTS (in inches) XS S M L XL XXL 3XL 4XL Bust 30 32 34 37 40 44 47 51 Body Length at Back 26 26.5 27 27.5 28.5 29 29.5 29.5   ROCKER TANK SIZE CHART (in inche