Nike Pro Core Long Sleeve Compression Top. Nike Pro is an innovative performance base layer apparel system. The Dri-Fit fabric construction provides superb moisture management and wicks moisture away from the skin.Zone engineered structures - increase breathability and comfort while providing unrivalled freedom of movement whilst playing sport or doing any kind o fitness activity,Flat seams and shaped side seams - for reduced chafing and rubbing of the skin when exercising.This is a compression garment that protects muscles and helps them recover quicker.