Arc’teryx Bottoms Size Chart Arc’teryx Tops Size Chart The Alpha SV Jacket is a highly durable hardshell designed for waterproof, windproof protection when your climb takes you through variable alpine, ice, and rock-climbing conditions. Regular Fit:• Anatomical mapping and gussets improve range of motion by reducing excess fabric.• Allows room for an additional baselayer.• e3D (Ergonomic 3-Dimensional) construction improves mobility via anatomical mapping. SV: Severe Weather uses highly durable materials for use in harsh weather conditions. N100p-X 3L GORE-TEX® PRO fabric:• Dense plainweave uses a fiber twisting process, reducing yarn exposure for extreme abrasion resistance.• Breathable three-layer membrane bonded to the shell and liner.• Windproof and waterproof design with fully taped seams.• DWR (durable water repellent) finish.• Abrasion-resistant, highly lightweight microgrid backing. StormHood™:• Helmet-compatible hood with multi-point drawcord.• Laminated brim prevents moisture accumulation.• Cohaesive™ cord-lock management system allows easy of use with mittens or gloves. Water-resistant WaterTight™ Vislon® zipper hardware. Front zip closure with inner draft flap. Long sleeves with hook-and-loop tab cuffs. Zip mid-body pockets with high-volume pocket bags. Zip pocket at the left bicep. External pockets feature self-sealing RS™ zipper slides for improved water resistance. Inner zip security pocket. Inner drop-in pocket. Pit zips quickly dump excess heat. Droptail hem with adjustable drawcord. 100% nylon;Membrane: 100% EPTFE. Machine wash and tumble dry. Imported. Measurements: Length: 30 1⁄2 in Product measurements were taken using size MD. Please note that measurements may vary by size.