The sleeping bags down offers Astro filling weights of 250, 400 and 550 grams down, each in regular and wide sizes. The Astro Pro Down Sleeping Bags is available with 400, 600, 800 and 1000 gram fill weight, each in regular and Large sizes. In the SL astro Pro women's version with 400, 600 and 800 grams filling offered. The Astro Pro Series product models are only certified up to RDS (responsible for Down standard) used.