For the hot days, tough sessions and times you need to go all out, the Nike Academy 25 Sleeveless Shirt works hard to keep you cool, dry and fresh so you can take your training up a level. A sweat wicking body, mesh sides and back panels help you stay comfortable. The side panel construction allows for a more efficient build to reduce waste, using 100% recycled materials. Sweat wicking fabric, mesh sides and back panels, and an efficient side panel construction to reduce waste.