Socks Polygon BK 30/50

Product No: 422673


The Polygon BK 30/50 freediving socks are made of Ultrastretch neoprene with a differentiated thickness of 3mm on the lower part and 5mm on the upper part. The inside is lined and the sole is double-lined with a reinforced exterior. The preformed cut ensures maximum comfort. Black Polygon design.

Product Information


The Polygon BK 30/50 freediving socks are made of neoprene of differentiated thickness, with 3mm on the bottom to allow a good fin fit and 5mm at the top for a better fit with wetsuit pants. The differentiated thickness helps block the flow of water.

The Ultrastretch outer fabric and lined inner fabric provide excellent protection for your feet during freediving sessions.

These socks are part of the Polygon line with a black/indigo camouflage design.

The sole includes an external fabric reinforcement.

The main features of the Polygon BK 30/50 freediving socks are:

• Differentiated thickness to block the flow of water: lower part 3mm, upper part 5mm
• 3cm waterstop band in 5mm neoprene
• Ultrastretch outer fabric/lined inner fabric
• Double-lined sole with external fabric reinforcement
• Polygon Black camouflage design

Complete your thermal protection and comfort by purchasing other neoprene products from our range designed especially for freediving.

Discover the range of 2mm, 3mm, 5mm and 7mm freediving suits.


3mm / 5mm

Delivery & Returns


Online purchases on are enabled for Italy, France, Spain, Germany and Austria. Some products from the catalogue are only available to purchase at an authorised Mares Dealer.

Products shipped in Italy are entrusted to Bartolini couriers. Products shipped in France, Spain Germany and Austria are entrusted to DHL couriers.

Delivery times are 3-5 working days.



If you are not satisfied with your order, you can return it quickly and easily.

You can decide to return any products purchased on within 30 days of delivery. To return items, use the same box they were received in, complete the returns label found here with shipping details and attach it to the box. Remember to insert the delivery number found on page 1 of the delivery documents.


To allow you greater freedom, we have not chosen a courier service with which you need to return the package, you are free to choose your preferred service provider.

Please remember that shipping costs are your responsibility.


At the moment, we cannot offer exchanges on our products. If you would like a different size, please return the article for a refund and purchase a new size. If you still have any doubts, you can write us an email at, our Customer Service team will be happy to help.