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Lycra, Spandex, Nylon, and Polyester

Most stinger suits are built from a stretch knit of nylon (polyamide) or polyester blended with elastane — sold under the brand names Lycra and spandex.

A traditional lycra suit performs well when the base fabric is dense, but a loosely knitted nylon garment can offer less protection than a high-density polyester compression fabric.

If you swim in pools as well as the ocean, look for chlorine-resistant fabric. Polyester blends and treated nylons hold their shape and colour far longer under repeated chlorine exposure.

Zippers, Hoods, Gloves, and Cuff Design

Gaps are the weak point in any suit, so closure design determines your real body coverage.

• Zippers — back or front YKK-style zips with a fabric flap behind them reduce direct skin contact. A long zipper pull cord helps you get in and out unassisted.
• Built-in hood — covers the scalp, ears, and neck, areas that are commonly missed by sunscreen and left exposed while snorkelling face-down.
• Attached or separate gloves — protect the hands, which often contact tentacles first.
• Cuffs — thumb loops at the wrists and stirrups or foot covers at the ankles stop sleeves and legs riding up.
• Flatlock seams — lie flush inside the garment, reducing chafing on long swims and adding durability.

Face and hand exposure remains the main limitation, so many divers pair a hooded suit with gloves and a mask for near-complete coverage.