The Salomon women's XT Lite shorts are comfortable short with a great motion fit. They have an inner brief & a relaxed fit, as well as waist adjustment. They also use Salomon's Smart Skin construction, which places acti LITE, Clima UV50+ & Lycra fabrics in specific areas for optimal performance. Glossary: Smart Skin: Salomon's construction technique uses a combination of fabrics in strategic areas to produce a more efficient, higher performance garment. Clima UV 15+/35+/50+: Provides various levels of protection against UVA & UVB sun rays.acti LITE: A base layer fabric that wicks moisture away from the skin & dries quickly. Wick/ Wicking: The act of transferring moisture from the skin to the outer layer of a garment quickly & efficiently, where it evaporates. Provides a drier more comfortable environment inside a piece of clothing/equipment.