Photo by Seth Hughes, styling by Krista Crabtree

If it dumps, you need waterproof material, and if the temps plummet, you need insulation.

Men: Arc’teryx Rush Jacket ($550; arcteryx.com) and Sabre Full Bib Pant ($525); Patagonia Men’s Piton Pullover ($99; patagonia.com); Marmot Lightweight 1/2 Zip ($55; marmot.com) and Midweight Bottom ($45)

Women: Patagonia Mixed Guide Hoody ($299; patagonia.com) and Mixed Guide Pants ($299); Patagonia Women’s R1 Hoody ($149); Smartwool Lightweight Asymmetrical Zip ($95; smartwool.com) and Lightweight Bottom ($85)