The Obtuse pants have all the features you need from a pair of climbing pants: a high waist that works really well with a harness, low-profile pockets, narrow leg openings and a very flexible, lightweight fabric. Sizing refers to waist circumference in inches, like the first number in many jean's sizes. - Slim fit - Matrix & Flexile fabrics are flexible and effectively transfer moisture and provide some protection from the wind - The fabric has a light water repellency treatment - Extremely wide, elastic waistband - The design of the crotch area brings more freedom of movement - Two open hand pockets, two back pockets, one open and the other with a zipper - Rubber loop for brush - Flexible leg openings - Composition of materials: Main fabric 93% polyamide, 7% elastane, additional fabric 69% polyamide, 32% elastane