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Assos Mens Trail Liner Shorts ST T3 Black Series
Assos Mens Trail Liner Shorts ST T3 Black Series
Assos Mens Trail Liner Shorts ST T3 Black Series
Black Series
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Assos Mens Trail Liner Shorts ST T3 1
Assos Mens Trail Liner Shorts ST T3 2
Assos Mens Trail Liner Shorts ST T3 3

Assos Men's Trail Liner Shorts ST T3

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Barely There Liners

The Assos Men's Trail Liner Shorts ST T3 are minimalist, superlight liner shorts for low-intensity riding. Engineered with their new, less aggressive Sport Touring insert, a more secure fit, and an ultralight, utltrabreathable textile.

The new Sport Touring TRAIL TACTICA Liner Shorts are engineered for less-intense applications — touring, the bike park, ebikes, and commuting. They're refined for pure utility with minimal weight and ultimate breathability, so they layer seamlessly under any shorts or pants.

The waist construction and leg bands are the same as the more robust TACTICA HP liner, wrapping the waist and thighs with lightly compressive security. The minimalist OFF-ROAD ST T3 Insert is 33% thinner than the High Performance model in our TACTICA HP T3 liner, though its dual layer construction erases microvibrations and diffuses shocks and larger impacts.


  • Impossibly intercooling and ultrabreathable, Airflow.1299 warp-knit textile is the lightest of our TACTICA liner materials. The zigzaggy structure reinforces the airy mesh, adding secure stability. This material is too light to wear without an over short.
  • Cut in a second-skin fit for unobtrusive layering beneath TACTICA Cargo equipment with all primary stitches reversed to eliminate friction next to your skin. Standard length legs increase coverage between skin and outer layers.
  • A soft, highly elastic zeroPressure waist construction that improves the comfort and hold at the waist, minus any pressure or pinching.
  • Superlight Leg Grippers: Elastic incorporated into lightly compressive bands creates a secure hold without restriction.
  • Off-Road ST T3 Insert with Shock-Absorb Damping Mono 6: Compressive foam layers reduced to a minimalist 6mm and engineered for more upright riding positions. Thermoformed shaping reduces ridges and irritation.
  • 3D Waffle: A patented, three-layer, perforated foam that increases breathability and eliminates excess weight while absorbing shocks.
  • goldenGate 2.0: The insert is attached at front and rear with floating sides and center, letting it move with your body rather than against it. New cut-outs on wings reduce volume and friction throughout the pedal stroke.
  • Assos 2-Year Warranty
  • 75% Polyamide, 15% Elastane, 10% Polyester

Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for US customers if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Size Chart




Style Type: Shorts 

Black Series - Small

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Black Series - Medium

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Black Series - Large

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Black Series - X-Large

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Black Series - 2X-Large

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