2.5mm Super Stretch Unisex Neoprene Sea Strides / Sea Legs / Trousers / Leggings - North Coast Wetsuits
Neoprene trousers - Franck Boclet
Neoprene pants - All boating and marine industry manufacturers
The 3/4 neoprene trousers will provide flotability while you're in the water, regardless of whether you wear them by themselves or under a wetsuit. — Orca