BARE 7MM SEALTEK COLDWATER HOOD FULL STRETCH ELASTEK SCUBA DIVING HOOD WITH BIB 7MM ELASTEK full-stretch neoprene for ultimate stretch and comfort 3MM ELASTEK/GLIDESKIN-IN trimmable face and neck seal glides nicely over your hair SEAMTEK exterior seam protection reduces water penetration at the seams keeping your head warm and dry Incorporates BAREs SEALTEK ring seal system for maximum water sealant performance when used with a wetsuit or drysuit Vented to allow trapped air to escape. Hood neck seal mates with wetsuit seal/collar