O'Neal Mayhem Hexx Jersey. Lightweight microfiber four-way stretch body and sleeves. Infinity neck and collar cuff design for ultimate comfort and performance. Jersey weight: 8.0 ounces (size L). Clear silicone printing on extended tail to help keep jersey tucked-in. Four-way stretch for additional comfort and ease while riding. Tagless neck design. Microfiber fabric makes better moisture-wicking and cooling properties. Breathable fabric equipped with fast dry feature to provide extra ventilation after perspiration. Set-in straight cut. Slim fit body with four-way stretch arms.