The Bluegrass Protectives Seamless Lite D3O(R) is the most breathable and comfortable armor for mountain biking. A unique product that's made for long rides, keeping your back protected downhill, whilst remaining exceptionally comfortable when pedaling. A back protector you can wear for everyday rides. - 80% Polypropylene, 10% Polyamide, 10% Elastan - Seamless construction ensures adherent and ergonomic fit - Unisex fit to accommodate all body shapes - Dryarn(R) microfiber guarantees the highest level of performance for next-to-skin fabrics - Open mesh enhances ventilation and sweat evaporation - Quick-drying microfiber works to regulate body temperature - Dermatologically tested microfiber to eliminate bacteria and odor - Back protector D3O(R) BP4 L1 (removable) - D3O(R) insert compliant with EN 1621-2:2014 - Two rear pockets for snacks and soft items - Lightness and flexibility gives you freedom of movement - Long-length bottom to be dressed into the pants maximizing stability - Hand wash only. Use only mild soap and water to clean your protector.