The term 'TRAINING GEAR' can be broken down into two crossword solutions: BRA (3 letters) and ING (3 letters). BRA stands for 'BRASSIERE, ' which is a type of undergarment worn by women to support their breasts. ING stands for 'INGRESS, ' which is the act of entering or the right to enter a place. Together, these two words refer to the clothing and equipment used for physical TRAINING, such as sports bras, running shoes, and other athletic apparel.