Comfortable, durable cushioning: Reusable PU leather cover with high-density memory foam padding provides long-lasting comfort and support. Tear-resistant, waterproof materials protect the seat from wear and wet weather for reliable daily use. Effective shock absorption: The seat uses shock-absorbing memory foam with strong buffering power to reduce vibrations from rough roads and uneven paths, so you feel fewer jolts during your ride. Built for larger riders and extra support: Extra-large seat area plus a built-in backrest increase stability and comfort on longer rides. Rated to support more than 300 pounds for a secure, steady ride. Breathable ergonomic design: A thoughtful hole in the seat improves airflow and reduces pressure in sensitive areas. The ergonomic backrest promotes better posture and provides lumbar support for a more relaxed riding position. Key attributes Function: Provides waterproof, padded seating with shock absorption and lumbar support for safer, more comfortable cycling. Materials: Reusable PU leather cover; high-density memory foam (shock-absorbing). Size & capacity: Extra-large seat design with backrest; weight capacity over 300 lb. Performance: Tear-resistant and waterproof construction; strong vibration damping on rough surfaces; improved airflow and ergonomic support. Practical use scenarios 1) Daily commuting in variable weather — waterproof cover and durable materials keep the seat protected while memory foam and backrest reduce fatigue on every trip. 2) Long leisure rides or touring — extra-large seat and lumbar support help maintain comfort over extended distances and reduce pressure points. 3) Riding on uneven or gravel paths — shock-absorbing memory foam smooths out vibrations so you feel fewer impacts on bumpy terrain. What you can expect Durable, water-resistant construction that holds up to regular use Noticeably reduced vibrations and improved comfort through memory-foam cushioning Stable support for riders over 300 lb with an extra-large seat and backrest Better airflow and posture from the hole design and ergonomic backrest This seat is designed to improve comfort and stability without compromising durability or weather resistance.