Description ***Outdoor Research&';s Standard Fit is a classic cut designed for comfort and ease of movement. We recommend ordering this pant true-to-size.*** The Outdoor Research Helium UL Pant delivers lightweight, packable waterproof protection for fast-moving hunts, hikes, and unpredictable mountain weather. Toray Dermizax(TM) 2.75-layer fabric and a 15D ripstop nylon shell provide waterproof, windproof, and breathable performance without adding unnecessary weight, while fully taped seams help seal out moisture. Ankle zippers, a gusseted crotch, an adjustable waistband, and a back pocket that doubles as a stuff sack make these pants easy to move in, layer, and pack when conditions change. Sizing Small Medium Large X-Large XX-Large Waist 29-31.5" 31.5-34.5" 34.5-37.5" 37.5-41.5" 41.5-45.5" Hips 35-37.5" 37.5-40.5" 40.5-43.5" 43.5-46" 46-49.5" Inseam (Reg 30") 31.5" 30" 32.5" 33" 33" Inseam (Tall 34") 33.5" 34" 34.5" 35" 35" How to Measure: Waist Measure around your natural waistline at its smallest point Hips Measure around the fullest part of your hips, keeping the tape parallel to the floor Inseam Select a pair of pants that fits you well, then measure the inseam from the crotch seam to the bottom of the hem Specs Weight 5.75 oz Material Toray Dermizax(TM) 2.75L 100% Nylon 15D Ripstop 61 G/M2 Shell Manufacturer Warranty Lifetime Guarantee