CEP Womens Dynamic+ 3/4 Run Tights 2.0, Women 70% Polyamide/30% Elastane Imported COMPRESSION: Running tights with 10-15mmHg compression support your hamstrings and quads. The 10-15mmHg compression panels wrap around your thighs, allowing you to run at your best with unparalleled support. DESIGN: Lined with a soft leg gripper to stay in place and made of a Nylon/spandex, these tights lay flat against your skin with a flat seam construction to keep you comfortable and avoid chaffing. STAY COOL: Coldblack technology reflects heat from the sun for added comfort and keeps you cool in hot and humid weather. Run with confidence even during the heat of the day and enjoy the cooling effect of these tights. REFLECTIVE: Our reflective elements make these tights a great choice even in low-light conditions. You can be seen while having maximum range of motion provided by a light back panel. QUALITY: Tested to wear and wash over 150 times. Wear them every other day for a year with no change.