Leatt Trail 4.0 Short Sleeve Jersey. Experience the perfect blend of casual style and eco-conscious performance with the Leatt Trail 4.0 jersey. Engineered for the modern trail rider, its innovative Tencel™ fabric—derived from sustainable forests—is ultra-soft, breathable, and biodegradable. A relaxed fit with a slitted hem offers superior freedom of movement, while perforated back panels maximize ventilation on demanding climbs. Complete with a built-in goggle wipe and reflective details, it’s the ultimate sustainable choice for your trail, all-mountain, or bikepacking adventures. MTB trail shirt 4.0 v26.Leatt MTB trail shirt 4.0 v26 - casual trail style with a technical and sustainable soul.The Leatt trail 4.0 v26 is much more than an MTB shirt.It is a declaration of intent for riders who value technical performance, natural comfort and commitment to the environment.With a casual cut design and state-of-the-art ecological fabric, this garment offers a light, breathable and functional wearing experience, ideal for trail routes, all-mountain and low-intensity adventures.Its main fabric, tencel™ lyocell, is made from cellulose from sustainably managed forests.It is biodegradable, recyclable and extraordinarily soft, with a natural absorption capacity that makes it an ideal option for warm climates.The design incorporates perforated back panels to improve ventilation, an open back hem for greater freedom of movement and functional details such as a goggle wipe and reflective elements.Key advantages for the conscious rider.Natural comfort:tencel™ lyocell fabric provides freshness, breathability and exceptional softness on the skin.Relaxed and functional fit:regular cut with open back hem (slitted hem) that improves mobility on the bike.Superior ventilation:perforated panels on the back that maximize breathability on the most demanding climbs.Environmental commitment:biodegradable, recyclable fabric produced through a closed process that reuses water and chemicals.Details designed for the rider:includes goggle wipe and reflective details for safety in low visibility conditions.Sustainable certification:materials approved by bluesign® and plastic-free packaging.Recommended use.Perfect for mountain bikers looking for a comfortable, sustainable and effective garment for all types of outings.Ideal for: Trail routes in warm climates.Low or medium intensity outings.Bikepacking or recreational cycling with an ecological focus.Daily use or light training in summer.Technical specifications.Fit:regular fit with open back hem (slitted hem). Fabric:tencel™ lyocell - breathable, soft, biodegradable and recyclable.Ventilation:perforated back panels for maximum breathability.Extras:built-in goggle wipe and reflective details.Sustainability:bluesign® approved fabric and plastic-free packaging.Sizes:from xs to 3xl (3xl only in black).Specialist recommendation.The Leatt Trail 4.0 v26 is the ideal garment for riders looking for a sustainable alternative without sacrificing performance.Its ecological fabric and technical features make it an excellent option for those who pedal with awareness, style and comfort.Combine it with elastic Leatt Trail pants and light knee pads for a balanced setup ready for any trail. tradeinn Bikeinn