The womens Pack-it is an unlined packable overtrouser. Its your emergency wet-weather legwear built on over 30 years experience in outdoor clothing. The Isolite fabric technology provides lightweight, waterproof, breathable and wind-resistant protection. Keep them in the handy stuff sack and stow them in daypacks, backpacks, car boots, desk drawers, kitchen cupboards or wherever suits. 100% Polyester. Regatta Womens Overtrousers Sizing (Waist Approx): S (26-28in/66-71cm), M (30-32in/76-81cm), L (34-36in/86-92cm), XL (38in/97cm). Size Guide: UK Size 6: Waist 24" | Hips 33" UK Size 8: Waist 25" | Hips 35" UK Size 10: Waist 27" | Hips 37" UK Size 12: Waist 29" | Hips 39" UK Size 14: Waist 31" | Hips 41" UK Size 16: Waist 33" | Hips 43" UK Size 18: Waist 36" | Hips 45" UK Size 20: Waist 38" | Hips 47" UK Size 22: Waist 41" | Hips 50"