Bottoms are an apparel term used to describe the layers of clothing worn on the bottom half of the body. Bottoms may be in reference to undergarments or outerwear.
About Hiking:
Hiking is a recreational activity which consists of taking long walks in outdoor environments. The activity of hiking is often performed on hiking trails that generally requires the use of special footwear, such as hiking boots, that can provide support, stability and traction on rough terrain. When hiking, the use of the appropriate hosiery can also help prevent blisters, distribute pressure and absorb shock making the experience of hiking more enjoyable.
About Ski Pants:
Ski pants are pants specially designed for protecting the lower body against cold weather when skiing. Ski pants are made in wide a variety designs, are generally made from waterproof and stretchable fabrics and feature insulating materials which have been developed to maximize heat retention.