cressi nano mask Donna 3mm lined neoprene sock

3mm lined neoprene sock

The specially and intentionally designed elastic module generates a muscle massage action that reduces fatigue in moments of maximum stress

Ideal for: recreational use

Maximum dive depth alarm

World Triathlon Corporation (WTC - owners of the Ironman circuit) and USAT (USA Triathlon)

cressi nano mask Donna 3mm lined neoprene sockAdvanced freediving and spearfishing mask, designed to offer an extremely hydrodynamic and compact shape, to help divers cut through the water and aid movement in small spaces. The internal volume is minimal and does not require intentional equalization. The rotating buckles are equipped with micrometric adjustment. Angled tempered glass lenses. Anatomical strap. Characteristics: Extremely hydrodynamic and compact design Internal volume of only 85 cm