The Hybrid saddle uses the same unique soft-tissue-friendly-shape as the rest of Selle SMP line– the wide cut-away and dropped nose relieve pressure and promotes blood circulation. Thicker foamed elastomer padding provides plenty of cushioning for rough terrain. Carbon fiber infused Nylon-12 shell. AISI 304 tubular steel rails. Nap leather cover. Foamed elastomer padding. 275mm Long x 140mm Wide. 320 grams. Black