Black Diamond Rocklock Pants Men's Flax Medium

On a crisp autumn morning at the crag, you reach for the Black Diamond Rocklock Pants—your go-to for a day of precise footwork and high reaches. The flax-colored stretch cotton twill moves with you through every high step and drop knee, while the integrated adjustable waistbelt keeps the fit dialed without digging under a harness.

Key specifications

• Material: 98% organic cotton, 2% elastane stretch twill
• Fit: Regular with articulated knees and gusseted inseam
• Closure: Integrated adjustable waistbelt
• Pockets: 2 hand, 2 rear, 1 zippered thigh
• Leg opening: Adjustable cinch cuffs
• Weight: 450 g (size M)
• Colour: Flax
• Gender: Men's
• Size: Medium

Why choose it

The Rocklock Pants blend climbing-specific mobility with everyday comfort. The 2-way stretch organic cotton fabric breathes well and resists abrasion, while the gusseted inseam and articulated knees allow unrestricted movement on the wall. The adjustable waistbelt and cinch cuffs provide a secure, custom fit that stays put under a harness.

Ideal use cases

• Sport climbing and bouldering sessions
• Multi-pitch trad routes where comfort matters
• Approach hikes and casual wear
• Three-season outdoor adventures

Good to know

Made with 98% organic cotton, these pants are a more sustainable choice without sacrificing performance. They are machine washable and quick to dry, so you can keep them fresh between sessions. The zippered thigh pocket secures small essentials like a phone or topo map.