Hollis F1 - Bat Fin Yellow Tip Freediving Bag The cylinder must be appropriately

The cylinder must be appropriately labeled for carrying Enriched Air Nitrox

Anatomically Contoured Foot Pocket Designed to Fit Foot w/o Stress Points

Patented seat saving orifice

Optional factory-sealed to prevent outside contamination from silt and sand

Atomic calls them ultra-clear lenses

Hollis F1 - Bat Fin Yellow Tip Freediving Bag The cylinder must be appropriatelyThis products Overview The Hollis F1 Bat" Fins give power without compromise. The Hollis fin blends graceful movement, power, and bulletproof construction. Meet the new standard in diving! The Hollis Open Heel Bat" Fins use classic vented fin construction with new age technologies. Fins are equipped with spring heel fins straps with easy grip heel tabs and generous foot pockets for fast donning and doffing. Heel tab loops can also be used to hang fins