Helly Hansen Cascais Trunk 4.5" - Blue - M

The Cascais Trunk 4.5" is your ideal choice for warm weather adventures. Designed for sailing, wat...

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The Helly Hansen Cascais Trunk 4.5" is a versatile, lightweight swimwear option designed for active adults who enjoy sailing, swimming, and various water sports. With its quick-drying fabric and integrated brief liner, it offers exceptional comfort and freedom of movement for all-day wear. While it is perfect for both performance on the water and casual relaxation on the beach, users should note the shorter 11.5 cm inseam, which provides a modern, athletic fit that may not suit those preferring longer board shorts.

All features

GenderMale
Age Groupadult
ColourBlue
SizeM
Model Part Number54587
BrandHelly Hansen

Extended Product Information

FAQs

What does the 4.5" refer to?

This refers to the inseam length of the shorts, which is approximately 11.5 cm, providing a shorter, athletic cut.

Can these be worn as everyday shorts?

Yes, thanks to the casual design and functional hand pockets, they are suitable for beachside wear and casual summer outings.

Is the fabric chlorine resistant?

While the fabric is designed for water sports, prolonged exposure to harsh pool chemicals may eventually affect the material; always rinse with fresh water after swimming.

How do I determine my size?

These trunks use standard sizing (M, L, XL, etc.) with a regular fit. If you prefer a looser fit, you may consider sizing up.

What does bluesign® certified mean?

It means the textile was produced in a way that is safe for the environment, workers, and consumers by eliminating harmful substances from the start of the manufacturing process.

Troubleshooting

Drawstring feels loose or slips

Ensure you are tying a firm double knot or check that the drawstring channels are free from sand or debris.

Fabric feels stiff after washing

Ensure you are using a gentle cycle and avoid high-heat drying, which can make the synthetic fibers brittle.

Sand trapped inside the liner

Rinse thoroughly with fresh water after each use in the ocean and shake out the garment while wet to dislodge particles.

Pros and Cons

Pros

  • Lightweight and breathable for hot weather
  • Fast-drying material reduces time spent in wet clothing
  • Eco-friendly construction with recycled and bluesign® materials
  • Secure fit provided by the integrated liner and drawstring

Cons

  • Short 4.5-inch inseam may be too revealing for some preferences
  • Regular fit may require careful sizing for those between sizes
  • Not intended for technical swimming training or competitive racing

Setup, Compatibility & Care

These trunks feature a standard regular fit and a traditional elastic waist. To ensure longevity, follow the manufacturer's care guidelines: machine wash in warm water at 40° C on a gentle cycle. Avoid bleach, as it can damage the specialized synthetic fabric and dyes. When drying, use a low heat setting in the tumble dryer. Do not iron the garment, as high heat can degrade the elastic and the technical fabric properties. Professional dry cleaning is not recommended.