Lenni Shirt Men

A lightweight hiking shirt designed for versatility on short walks, longer treks and travel days. The fast-drying, easy-care performance fabric makes it practical for repeated outdoor use, while HeiQ Fresh technology helps reduce odors. Its classic shirt styling offers an alternative to a technical T-shirt without giving up trail-focused functionality. A useful warm-weather layer when you want breathable comfort and straightforward care between outings.

Features

• Lightweight and quick-drying
• Treated with HeiQ Fresh FFL - a bio-based technology that reduces unpleasant odors
• Reliable protection from strong sunlight
• Chest pocket with button
• Movement fold on back for extra comfort

Technical specifications and materials

• Manufacturer model number: 1015-01471
• Cut: Regular Fit
• UV protection (UPF): UPF 40+
• Weight: 133 g
• Main material: 9% Polyester, 91% Polyester (recycled)
• GPSR Warning: This garment provides UV protection for covered areas. Stretching, moisture, and abrasion may reduce its effectiveness. Follow the care instructions to maintain protection. This product does not offer complete UV shielding.

Technologies

• HeiQ Fresh

Fit details

• Short oversized sleeves

Care and maintenance

• Do not use chlorine-based bleach
• Do not dry clean or use solvents to remove stains
• Max. ironing temperature (110° C) Take care when steam ironing
• Do not iron on prints and decorative elements
• Do not tumble dry
• Machine wash on wool/delicates cycle (max. 30° C)

Follow the care label or supplied manual for the exact item.

Mammut care guidance / product instructions

Warranty and repair support

For a warranty or repair question, contact Base Camp Bike and Ski with your proof of purchase so the applicable Mammut terms can be checked. Coverage and remedies are subject to Mammut’s assessment and applicable terms.

Mammut warranty / support details