Black Diamond Alpenglow Crew Sweater Men's Medium - UPF 50+ Sun Protection, Quick-Dry, 4-Way Stretch, Polygiene Odor Control

High on a sun-scorched granite wall, every layer matters. The Black Diamond Alpenglow Crew Sweater in men's medium steps up when the sun beats down and the climbing gets serious. This lightweight crewneck offers UPF 50+ sun protection and fast moisture wicking, keeping you cool and covered during long approaches, cragging sessions, or trail runs. The 4-way stretch fabric moves with every reach and stem, while Polygiene odor control means you can wear it for multiple days without worry. Flatlock seams reduce chafing under a harness or pack, and underarm gussets enhance mobility. From desert towers to alpine ridgelines, this sweater is your go-to sun hoody alternative.

Key specifications

• Material: 87% Polyester, 13% Elastane
• Fabric technology: Quick-drying, moisture-wicking, 4-way stretch
• Sun protection: UPF 50+
• Odor control: Polygiene treated
• Fit: Regular
• Neckline: Crew neck
• Sleeve type: Long sleeve
• Underarm gussets: Yes
• Weight: 230 g (8.1 oz)
• Seasonality: All-season
• Sustainability: Bluesign approved materials

Why choose it

The Alpenglow Crew is more than just a sun shirt—it's a versatile performance layer. The 4-way stretch fabric offers unrestricted movement, while the quick-dry properties keep you comfortable during high-output activities. UPF 50+ rating provides excellent protection against harmful UV rays, making it ideal for extended time outdoors. The Polygiene treatment controls odor, reducing the need for frequent washing and extending the life of the garment.

Ideal use cases

• Climbing
• Hiking
• Trail running
• Outdoor sun protection

Good to know

Bluesign approved materials ensure environmentally responsible production. The regular fit and crew neck provide classic styling, while flatlock seams and underarm gussets enhance comfort and mobility. This sweater is a reliable choice for any sun-exposed adventure.