Alpinestars Summer Tech Performance underwear forms an effective base layer keeping you cool and comfortable under your suit during warm weather riding. Comfortable moisture wicking material. Minimal seam stitching for ultimate comfort and performance. Designed to be 60% lighter than cotton, the construction is also hypoallergenic and antistatic. Muscle supporting compression fit helps support the riders muscles and reduces fatigue. Ergonomic flat lock seams. The underwear is designed to provide a tight, adaptable fit. Moisture wicking technology ensures ultimate comfort is maintained as well as a constant body temperature. Printed Astar logo on the front with Alpinestars print logo on the back.