Fox Flexair Pants - Black - Large

The Fox Flexair Pants are a game changer on the mountain, offering a superlight, tapered fit that ...

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Product Information

Full details

The Fox Flexair Pants are designed for mountain bike enthusiasts who prioritize agility, breathability, and a lightweight feel during both intense climbs and technical descents. These pants excel in freedom of movement and moisture management, though their ultralight construction means they are best suited for trail riding rather than heavy-duty downhill crashing protection.

All features

MaterialPolyester
Model Part Number32401-001-L
BrandFox Clothing

Extended Product Information

FAQs

Are these pants waterproof?

They feature a DWR (Durable Water Repellent) coating that sheds light rain and trail spray, but they are not fully waterproof.

Can I wear knee pads under these pants?

Yes, the Flexair pants are designed with a tapered cut that accommodates most low-to-medium profile mountain bike knee pads.

How do I adjust the waist?

Use the race-ratchet closure at the front of the waistband. Simply push the tab into the buckle to tighten.

Are the pockets large enough for a phone?

The bonded zip pockets are sized for small essentials. Larger smartphones may fit snugly but might interfere with your pedaling motion.

What is the best way to clean off dried mud?

Allow the mud to dry, then gently brush it off. If a deeper clean is needed, follow the standard cold wash instructions.

Troubleshooting

Ratchet closure failing to stay tight

Check the ratchet mechanism for mud or debris and clear it using a soft brush or compressed air.

Water no longer beads on the fabric

The DWR coating has worn off. Wash the garment and apply a fresh DWR water-repellent spray treatment.

Snagged threads in the fabric

Carefully trim loose threads with small scissors, do not pull them, as this can cause the knit fabric to run.

Pros and Cons

Pros

  • Extremely lightweight and breathable
  • Excellent range of motion for aggressive pedaling
  • Moisture-wicking fabric dries quickly
  • Easy-to-adjust ratchet closure
  • Low-profile design avoids snagging on the bike

Cons

  • Lighter fabric provides less protection against abrasion
  • Limited impact resistance compared to heavy-duty DH gear
  • Tapered fit may be too snug for some knee pad configurations

Setup, Compatibility & Care

For the best fit, adjust the race-ratchet closure while standing to ensure the waist is secure but comfortable. The tapered leg design is optimized for mountain biking, but you should test your specific knee pads underneath to ensure no excessive binding occurs.

Care Instructions:

  1. Machine wash cold, on a gentle cycle.
  2. Use mild detergent and avoid fabric softeners to maintain the DWR coating.
  3. Tumble dry on low heat or hang to air dry to prolong the life of the fabric fibers.
  4. Re-apply a DWR spray treatment after several washes if you notice water no longer beads off the surface.