Ultra-durable STR-XTM fabric developed to provide the technical needs that are essential to MMA and training: durability, exceptional 4-way stretch, breathability, moisture wicking and comfort * Patent-pending compression waist-tightening system that can be tightened without creating "scrunching or cinching" around the waist while providing a comfortable, no-slip fit * External pockets with hook and loop closure * 90% Polyester, 10% Spandex * Care: Machine wash cold, tumble dry low, do not bleach. Tie drawstring prior to washing and drying to prevent it from pulling through the waist system.