Consider the Mountain Bike Jersey a high-tech sweatshirt for the every day fan! The reduced weight and comfort coupled with the pop of our sublimated graphics should find a broad audience appeal for both adults and kids. The technical aspects of this product line are that they use Dri-fit moisture wicking fabric that moves perspiration from the skin to the outside for rapid evaporation. Dri-fit is also 4-way stretch and UV rated to 30 SPF. Garments will not shrink or fade.