Venum Biomecha Short Sleeve MMA/Jiu Jitsu Compression Rash GuardArmor Up! The Venum BioMecha Rashguard is designed for athletes and fighters and is ideal for grappling, BJJ and MMA. This compressive short sleeved rashguard provides protection from rashes, burns and scrapes, while providing total freedom of movement. The second skin effect of the fabric provides comfort and support during intensive training. The BioMecha Rashguard features mesh inserts to allow for rapid evacuation of perspiration so you can remain