Two of the most popular weights used for vests are the 20- and 50-pound versions, though other weight limits also exist. The primary use of a weight vest is for resistance training, though losing weight is another effect. Resistance training is meant to build muscle. Mass, strength and power increases are usually seen as a consequence of resistance training. The benefits with a vest are increased because of the extra weight.
Did you mean Mt. Rainier? Mt. Rainier is 14,411 ft (4,392 m) in elevation, and 13,211 ft (4,027 m) in prominence.
Even without its original top, Mount Rainier is one of America's great peaks and the dominant volcano of the Cascade Range. Rainier simply overwhelms the surrounding 6,000-foot mountains, which look like courtiers paying homage to a monarch.