Adidas TechFit Preparation Long Sleeve Compression Top 84% polyester Ventilated CLIMACOOL - keeps you dry and comfortable. TECHFIT - focuses your muscles' energy to generate maximum explosive power, acceleration Crewneck - Sleeves extend over hands; Thumb holes on cuffs. Flatlock - seams reduce chafing and skin irritation. Special pattern - design for enhanced fit during training; Graphic execution on front and