BlobMob Mask is a gear item available in Splatoon 3 revealed in Splatoon 3 Splatfest World Premiere.
It is a headgear made by Emberz and sold at Naut Couture for 825 coins. The primary ability is Tenacity and it is a 1 star gear.
Appearance
BlobMob Mask is a face Mask with a yellow base with blob fish printed across it. There is also a clasp in the back that appears to be adjustable.