Exclusive McDavid Cross Compression Technology warms and stabilizes muscles by mimicking taping methods used by athletic trainers, adding support to hamstrings and quads. Forms a hip spica wrap for treatment of hip flexors. hDc Moisture Management Technology is all about cool and dry. Six-thread flat-lock technology for strength at the seams and added comfort. Body: 80% nylon/20% spandex Band: 85% nylon/15% spandex. Perfect for athletes looking to get added support and compression in the hamstrings, hips, and thigh region.