Nke a bụ nnukwu akpa neoprene gbara ọkpụrụkpụ 6mm, nke ejiri ihe na-agba mmiri na-agba mmiri na-acha ọkụ ọkụ, nwere bọọdụ PE na ala iji dobe akpa ahụ n'ụdị kwụsiri ike.Obere akpa ahụ agbakwunyere nwere ike ịchekwa obere ihe dịka ekwentị mkpanaaka na igodo, nke dị oke mma.