underarm gussets for full mobility

Seamless dual-density construction and fully-taped seams

adapting to its shape and volume

The Speed Fleece's anti-pill brushed polyester microfleece and embroidered logo give a basic lounge pant a status upgrade

Fabric: Mobil Mesh (84% Polyester 16% Spandex)

Trek FX Sport SL 5 Carbon Bike shortsleeve underarm gussets for full mobilityFX Sport SL 5 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. It has an upgraded high quality drivetrain, hydraulic disc brakes, and tubeless ready rims making it perfect for everything from solo workouts to speedy group rides.