Flex MTB Trail Shorts — Soft-Shell Mountain Bike Shorts with Zip Pockets & Vents
Ride with comfort, breathability, and utility.
The Flex MTB Trail Shorts are built from lightweight, four-way soft-shell flex fabric that moves with you and keeps you cool on long mountain bike sessions, gravel rides, or trail hikes. With zippered pockets, strategic ventilation, and an adjustable waist, these shorts deliver performance you can feel every mile.
WHY YOU’LL LOVE THEM
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Breathable, light flex fabric for all-day comfort
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Strategically placed vents to keep you cool
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Zippered pockets secure essentials
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Adjustable waist for a perfect fit
KEY FEATURES
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Light, soft flex fabric
Designed to flex with your movement while wicking moisture to help keep you dry and comfortable. -
YKK-zippered pockets
Front zip pockets keep your phone, keys, snacks, and trail essentials secure while you ride. -
Zippered ventilation panels
Strategically placed vents help airflow on warm climbs or long rides. -
Adjustable waist
Customizable fit that lets you dial in comfort, with or without layers. -
Optional padded under-shorts
Choose the version with 3D padded underliner for added cushioning and moisture-management (can be worn separately).
COMFORT & PERFORMANCE
Whether you’re blasting technical singletrack, cruising gravel, or hiking a tough trail, these shorts balance breathability and protection so you can stay focused on the route ahead. The flex fabric won’t restrict movement and helps you ride longer in comfort.
FIT & SIZING
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Performance-oriented trail fit
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Available sizes: Small – 3XL
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Adjustable waist ensures a secure fit for every rider
BEST FOR
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Mountain biking & trail riding
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Gravel adventures
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Technical climbs & fast descents
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Hikes with light packs
DETAILS
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Flex soft-shell fabric with dry-fast wicking
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Zippered storage and vents for airflow
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Adjustable waist for custom fit
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Optional 3D padded underliner available
United StatesMTB shorts
Fit well and good support from undergarments. Style is current.
United StatesMens Gravel/Cyclocross/mtb shorts
Perfect for summer day. Lite but durable. True to size medium for 32” waist. Two zip hand pockets not deep but just enough to hold a cell phone or keys or snacks. Bought a black and a blue color
United StatesGreat shorts, awesome for mtb riding
Other reviews cited the liner shorts as too short and uncomfortable, but the price difference was negligible so I pulled the trigger on both. If nothing else I could use a different liner and relegate these to undershorts on family bike rides. Turns out I had no problems with them. They are a little shorter in length along my thighs, but they fit well with my knee pads for off-road riding. I've put them through the ringer and they hold up well. Fits true to size.
United StatesGreat shorts!
I find these shorts to be very comfortable for my trail riding. They are made from very light material and they also look good. The Velcro adjustment straps make them very easy to fit without use of a belt. I can’t say as much good about the padded underwear that came with them.
United StatesGravel Mtn Bike Shorts
Item was HUGE, felt like a skirt. I had to return it as the waist was too large and I could tell from the cut that even if the waist was the right size, the shorts were going to reach halfway between my knees and my ankles. This wouldn’t be so bad if the cut of the shorts was thinner and hugged the quads more but this was more of a mid-90’s vato-style short. Not a great design, though may fit well for an adult male with a < 30 inch waist but not me. The material was also SUPER thin, which is great for swimming or running or hiking, but I felt as if I had bailed on the bike, these would instantly rip. Paper thing. Wasn’t really happy with them personally