Kid Skull Compression Shirts Pants Sets for MMA BJJDurability: Polyester is highly durable and resistant to stretching, shrinking, and wrinkling, making it ideal for high impact workouts. Unlike cotton, which can lose shape and structure over time, polyester retains its form, ensuring longevity. Material: Unlike screen printed counterparts which are prone to flaking, cracking, and peeling, our fully sublimated printed design is significantly more durable and maintains its pristine look even after