ION Seek Amp 6/5 Back Zip men 2025

The ION Seek Amp 6/5 Back Zip is the thickest men's wetsuit in the Seek Amp range, with a back zip and designed for very cold water. It keeps the Max_Flex exterior so the thickness doesn't cost you mobility.

When to use it

• Very cold water, between 2 and 7 °C.
• Deep-winter sessions where warmth comes first.

Features

• Thermal lining: highly stretchy Hot_Stuff 2.0 on the front and plush, quick-drying Plasma_Plush 2.0 on the back against wind chill; thin, soft Silk_Stuff on the shoulders and arms.
• Novaskin on the back against wind chill.
• Recycled Max_Flex on the outside at the chest, shoulders and neck: 30 % more flexibility and quick drying.
• I_Foam: low-density neoprene with high thermal insulation, containing oyster shell powder.
• Seams: glued and blindstitched, fully heat-sealed on the inside, with reinforced stress points and fused edges on the arms and legs.
• Seamless shoulders and a low-panel design for maximum freedom of movement.
• Silicone prints on the arms and legs, thin padding on the shins, reinforced leg drains and separate leg loops.

Colour and temperature

• Colour: 900 black.
• Water temperature: 2–7 °C.

Which size to choose

Official ION size chart. If you're between two sizes, go by chest and weight first: the suit should fit snugly, with no water pockets at the back or armpits. More details in our ION wetsuit size chart. Check the selector for the sizes available in store.

Frequently asked questions

What water temperature is the 6/5 for?

ION recommends it for water between 2 and 7 °C.

Does the thickness cost a lot of mobility?

The Max_Flex exterior on the chest, shoulders and neck offers 30 % more flexibility and the shoulders are seamless, which helps keep your freedom of movement.