Aggressor -1.0 Base-Layer Pants

KLIM Aggressor -1.0 Pant, Ultra-Light Cooling Base Layer for Hot-Weather Riding

Maximum cooling. Zero compromise.

The KLIM Aggressor -1.0 Pant is built for riders who deal with heat, intensity, and long days in the saddle. As KLIM’s lightest and most breathable base layer, it delivers next-level cooling, moisture control, and comfort — all without adding bulk.

When temperatures rise, this is the layer you want underneath.

Advanced Cooling Technology

Built with KLIM’s Aggressor Cooling mesh fabric, this base layer delivers consistent cooling performance.

• Chemical-free cooling technology
• Designed for evaporation and temperature regulation
• Maintains performance over time — no fade in effectiveness

Stay cooler, longer, ride after ride.

Moisture-Wicking Performance

The Aggressor -1.0 actively manages sweat to keep you dry and comfortable.

• Fast-drying and breathable
• Moisture-wicking to pull sweat away from the skin
• Antimicrobial properties for freshness

Perfect for high-output riding and warm climates.

Built for Comfort

Long rides demand a base layer that disappears under your gear.

• No in-seam stitching for reduced irritation
• Low-profile comfort seams
• Tagless design for added comfort
• Non-abrasive elastic waistband

You won’t notice it — and that’s the point.

Full Mobility Fit

Designed to move naturally with your body.

• 4-way stretch fabric
• Athletic fit for performance layering
• Front pass-through fly for convenience

Built for unrestricted movement on and off the bike.

Built for Layering

The Aggressor -1.0 Pant is the foundation of your riding system.

• Ideal under riding pants or armor
• Enhances comfort of outer layers
• Perfect for hot-weather riding setups

The KLIM Aggressor -1.0 Pant delivers lightweight cooling, moisture control, and all-day comfort — making it an essential base layer for riders pushing through heat and demanding conditions.