Moisture-wicking fabric? Check. Built-in bra? Check. Zip pocket? Check. Bold colors and flattering lines? Check and check. The New Balance Tonic crop top has it all, so you can get the most out of your run. New Balance began as a Boston-based arch support company in the early 1900's, developed into a specialised shoe manufacturer in the 1970's, and has grown to become a leading global athletic products company.