Montbell Blackbird Short Sleeve Shirt

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Comfortable, breathable, and built for movement in hot conditions. A strong travel and trail choice with casual appeal.

Outdoor Research says: 

The Blackbird Short Sleeve Shirt is a casual, performance button-up, featuring quick-drying, breathable,
and wrinkle-resistant fabric for everyday wear.

Our Verdict

The Blackbird Short Sleeve Shirt balances technical function with a low-key aesthetic, making it easy to wear both on the trail and around town. The recycled polyester fabric is lightweight, weighing 176g (Medium), and dries quickly, managing moisture well in hot, humid conditions. There’s enough breathability for exposed hikes, and the UPF 30 rating provides an added layer of sun protection.
The slight stretch in the fabric offers noticeable freedom during climbs and scrambles. The standard fit is relaxed but not baggy, and the cut works well under a lightweight pack. The chest pocket is basic but functional for small items.
Durability is solid for a shirt in this weight range. It resists wrinkling after being packed and doesn’t lose its shape. It’s best suited for those who value comfort, ease of movement, and all-day wearability over highly technical features.

– Reviewed by Ultralight Outdoor Gear

Features

• Breathable
• Movement Mirroring Stretch
• Quick Drying
• UPF 30
• Wicking
• Wrinkle Resistant
• Button Front Closure
• Left Drop-In Chest Pocket
• Side Slits at Hem for Better Movement

Specifications

• Small weighs: 167g
• Medium weighs: 176g
• Large weighs: 195g
• XLarge weighs: 209g
• Fit: Standard

Material & Construction

• bluesign® approved 100% Recycled Polyester

Help & advice:

• The Ultimate Guide to Lightweight Baselayers
• The Ultimate Guide to Hiking Sun Hoodies: Your Shield Against the Elements