The reactor pack is a non-integrated back protector with fully adjustable straps and waist belt. its super-lightweight, vented exoflex element provide bombproof, body-molding comfort. in other words, whatever your body shape or riding position, it fits you like a boss.Features:- Power-webbing: power-webbing is high-quality knitted webbing that gives you flawless performance and functionality in extreme conditions. it meets the highest standards of durability and strength.- Respiration mesh: respiration mesh is the standard jersey mesh material for our protection jackets. it’s a super-lightweight, ultra-breathable, 4-way stretch fabric for awesome comfort.- Non-stick hook-and-loop fastener: non-stick hook-and-loop fastener is specially designed so that it only sticks to what it’s meant to. it doesn’t get caught on clothing and avoids damage to fabric caused by tearing out fibers.Specifications: - Weight: 450g.- Primary Material: 90% Polyester, 5% Nylon, 5% Elasthane, Pad 100% PUTechnology:- Articulating Design: Our Articulating Design concept is inspired by nature to give you total freedom of movement without compromising your safety and comfort.- Exoflex: an industry-standard, built-to-last soft-foam protection. the protectors are lightweight, ventilated, ergonomically designed and hand washable. effective against all kinds of impacts, they can also withstand multiple hits.