FIRST LAYER. FAST LAYER. For matches when you need a little extra warmth, the Nike Dri-FIT Park First Layer kit provides coverage that won’t cut down your speed. The stretchy fabric and Invisible Thumb Loops create a streamlined layer that moves smoothly below your kit. Dri-FIT technology helps you stay dry, comfortable and focused. Stretchy fabric with a smooth face provides a low-friction underlayer. Invisible Thumb Loops stay hidden when not in use. Tight fit gives a streamlined look and feel. Raglan sleeves eliminate the shoulder seam to help you move freely. Swoosh design trademark is heat transferred on the center of the chest.