Compatibility and installation Suitable for Giant Avail 5, Avail Advanced, Avail Advanced Pro, and Avail Disc; can be adapted to most standard bicycles. Provides easy replacement on different bike types. Please check your bicycle seat type before placing an and select the appropriate installation style. Materials and comfort Made of PU leather with good breathability and reinforced stitched edges; soft to the touch and waterproof. Interior filled with density memory foam for elasticity and support, effectively buffering ride vibrations to deliver a comfortable experience. Breathability and shock absorption Central ventilation slots on the seat surface promote airflow between the saddle and the body, helping to reduce stuffiness and discomfort. Shockabsorbing balls at the bottom of the saddle flexibly respond to impact from different directions, enhancing overall shock absorption. Ergonomic design Front end is relatively narrow to avoid restricting thigh movement and reduce friction. Rear end is widened with an ergonomic decompression groove to relieve perineal pressure and prevent compression of sensitive areas. Use scenarios Daily commuting on city streets and longer weekend rides with regular saddle replacement to improve comfort. Long road or endurance rides where memory foam support and breathable design help reduce fatigue. Gravel or mixedterrain riding that benefits from enhanced shock absorption and comfort.