Built for young riders who enjoy technical trails, fast descents, and active days on the bike, the Trek Factory Youth Long Sleeve Mountain Bike Jersey combines lightweight comfort with dependable coverage. This youth long sleeve mountain bike jersey is designed for mountain biking, BMX riding, trail sessions, enduro routes, and downhill riding. Its athletic construction supports natural movement while helping young cyclists stay comfortable through changing conditions.
The jersey uses a 95% polyester and 5% spandex performance blend. Polyester helps the fabric dry quickly and maintain its shape, while spandex adds flexible stretch for an unrestricted feel. The lightweight material works well for active riding and can be layered over protective equipment when temperatures drop. Breathable construction helps release excess heat during climbs, training laps, and extended trail rides.
Long sleeves provide additional coverage on the arms compared with a short sleeve MTB top. They help shield young riders from light brush, branches, trail debris, and direct sun exposure. The design is suitable for riders who need a versatile MTB shirt for forest trails, bike parks, singletrack, and everyday cycling activities. An extended drop-tail hem adds coverage at the lower back while riding in a forward position.
With a youth-specific athletic fit, this jersey is shaped for active movement without unnecessary bulk. Four-way stretch construction allows the fabric to move with the rider during cornering, climbing, jumping, and technical sections. The flexible feel supports comfortable use with helmets, gloves, pads, and other MTB gear. It can function as a boys MTB top, kids MTB top, or lightweight trail layer for a range of riding styles.
Moisture-wicking properties move perspiration away from the skin, while quick-drying fabric helps maintain a more comfortable feel during demanding rides. This makes the jersey practical for warm-weather trail sessions and useful as a layered piece in cooler weather. The breathable material helps young riders stay focused on the route, whether they are practicing BMX racing skills, riding an enduro course, or exploring a downhill line.
Fade-resistant graphics are designed to maintain their appearance through regular riding and care. The Trek Factory styling gives the jersey a distinctive look suited to riders who want coordinated MTB gear without sacrificing comfort. It works as boys MTB gear, kids enduro gear, downhill gear, trail gear, or an enduro MTB shirt depending on the type of riding planned.
For young cyclists looking for a practical long sleeve MTB jersey, this design brings together stretch mobility, breathable fabric, moisture management, and full-arm coverage. It is suited to youth mountain biking, BMX, trail, enduro, downhill, singletrack, bike park riding, and general outdoor cycling.
| Size | Back Length | Front Length | Bust | Shoulder | ||||
|---|---|---|---|---|---|---|---|---|
| CM | INCH | CM | INCH | CM | INCH | CM | INCH | |
| S | 52 | 20.5" | 50 | 19.7" | 36 | 14.2" | 31 | 12.2" |
| M | 55 | 21.7" | 53 | 20.9" | 38 | 15.0" | 33 | 13.0" |
| L | 58 | 22.8" | 56 | 22.0" | 41 | 16.1" | 35 | 13.8" |
| XL | 61 | 24.0" | 59 | 23.2" | 43 | 16.9" | 37 | 14.6" |
| 2XL | 64 | 25.2" | 62 | 24.4" | 46 | 18.1" | 39 | 15.4" |
| 3XL | 67 | 26.4" | 65 | 25.6" | 48 | 18.9" | 41 | 16.1" |
