This is the DUI Replacement Drysuit ZipSeal Latex Neck/Hood Combo G2Features: Size Large - One Size Fits Most Can be used with any DUI drysuit with a G2 neck ZipRing Hood is 3 dimensional for a comfortable fit Latex neck seal inside can be trimmed to size Worn by divers wanting to keep their heads dry or for contaminated water conditions Should be worn with a hood liner G2 Latex Hood/Neck ZipSeal Combination. Never miss a dive again! All DUI drysuits include patented DUI ZipSeals that allow you the ability to change out a spare seal in minutes. "