Weight Belt for Free Diving, Spear Fishing - made in strong Nylon - Cressi: quality since 1946 Cressi is a REAL freediving, spearsihing and scuba diving Italian brand, since 1946. Weight belt for freediving. Strong woven nylon weight belt with stainless steel buckle. The quick-release stainless steel buckle provides instinctive and rapid emergency release. The buckle pin passes through, is very strong and is riveted at both ends.