We wear the Fox Defend Short Sleeve Tank Top for all our mountain bike rides and at least until then until the shirt needs to be washed. This relaxed knit lives in our bags after work and during the week it can be changed to different colors. The short-sleeved shirt can easily be worn alone or over a summer basic outfit. including pads. Abrasion zones on the jersey maintain the integrity of the jersey during collisions and well-placed mesh inserts promote air circulation.