Santi Flex 80 Undersuit - Mens

Stay Light, Stay Warm: SANTI Flex 80 Undersuit

The SANTI Flex 80 Undersuit is the go-to choice for divers seeking comfort, flexibility, and performance in a lightweight package. Designed for warm-water dives or as a layering piece beneath heavier undersuits, the Flex 80 delivers exceptional freedom of movement while maintaining breathability and fast-drying capability. Its refreshed modern look now includes updated branding and improved construction—without compromising on the trusted comfort SANTI is known for.

SANTI Flex 80 Undersuit Specifications

• Ideal for water temperatures 14°C and above (up to 1 hour)

• Weight: approx. 1 kg (Men’s L)

• Black Fabric: 91% polyester / 9% elastane, 290 g/m²

• Scale Fabric: 100% polyester, 300 g/m²

• Sizes: 16 men’s sizes, 12 women’s sizes

• Breathable & moisture-wicking

• Highly flexible & lightweight construction

SANTI Flex 80 Undersuit Details

• Modernised design with updated SANTI branding

• Super-flexible fit allows for unrestricted movement

• High collar provides additional thermal protection

• Elasticated cuffs prevent sleeve ride-up

• Two-way diagonal front zip for ease of donning

• Internal adjustable waistband for a secure fit

• Excellent resistance to pilling and snagging

• Ideal for active divers or travel use

If the SANTI Flex 80 isn’t the undersuit you’re looking for, why not check out our full Undersuit Collection or browse the complete SANTI Collection for more high-performance dive wear.

NB: This item will allow you to purchase when we are out of stock, as we unable to hold all sizes in all stock items

This item is marked as 'special order' which means if we are out of stock we will order in on your behalf.  See Refund Policy for Terms and Conditions

We can confirm SANTI estimated delivery date after ordering.  If you wish to chat then please contact us.

Last Updated: March 2026