Hoods
Scuba diving neoprene hoods
There are many different hoods available from Neoprene, Lycra, and other thermal styles or lightweight hoods. Most hoods come in 2mm, 3mm 5mm, 7mm and 10mm neoprene wetsuit material. There are 2 styles you can get bibbed for use with wetsuits and non bibbed for use with drysuits.

Cressi Occy Compact Pro
OceanPro Weight Belt Buckle - Stainless Steel
Oceanarium Nudibranch Headwear Scarf