A sleeveless cycling base layer, crafted with a slim fit and the advanced, breathable performance of Power Dry(R) fabrics by Polartec(R). Breathability - Power Dry(R) fabrics provide better breathability, helping you ride further, more comfortably. Fast Dry - Power Dry(R) technology consists of a bi-component knit fabric with a hydrophilic interior that, as the name suggest, dries very quickly. Fit - The slim silhouette of Odyssey is meant to be worn close to the skin for a performance fit and feeling. Lightness - To keep core temperatures cooler, our men's summer base layer is built from lightweight materials. Temperature - The Odyssey Power Dry(R) Base Layer provides greater comfort on hot summer rides thanks to the advanced performance of Polartec(R) fabrics. Thermo - The Odyssey Power Dry(R) Base Layer provides little insulation or added warmth for cooler comfort on hot, high-intensity rides. Material - 100% Recycled Polyester