Autumn’s unpredictable weather can leave you roasting one minute, and wet and shivering the next—and that makes what you wear next to your skin just as important as your outerwear. Time to upgrade your undergarments? Try these moisture-wicking base layers on for size.

HEAVYWEIGHT 1/2 ZIP ($79.99)

HEAVYWEIGHT 1/2 ZIP ($79.99)

Key features: Stretchy Omni-Heat thermal material on the core, shoulders and arms, with Omni-Wick inserts on sides and underarms to disperse moisture. The promise: “Built for warmth and movement.” More info: Columbia Sportswear

NORDKAPP ($122)

NORDKAPP ($122)

Key features: European-style zip-neck shirt; 45 per cent merino wool for insulation and 55 per cent polyester for wicking moisture; matching long johns ($104). The promise: “The absolute best base layer for hunting.” More info: Härkila

TOUCHSCREEN LINER GLOVES (U.S.$30)

TOUCHSCREEN LINER  GLOVES (U.S.$30)

Key features: Textured fingertips to operate touchscreen; quick-dry blend of polyester, merino and spandex, with a slim design for layering. The promise: “Use your smartphone with warm hands.” More info: Eddie Bauer

CORE HOODY ($99)

CORE HOODY ($99)

Key features: Lightweight, moisture-wicking polyester with silver-encapsulated scent control; built-in hood for face concealment; can double as outerwear. The promise: “The ultimate early-season next-to-skin piece.” More info: Sitka Gear

ENDURASKIN ALL-SEASON SHIRT ($39.99)

ENDURASKIN ALL-SEASON SHIRT ($39.99)

Key features: A quick-dry, polyester-spandex blend with silver-based anti-odour technology; comes in camo or black with matching bottoms ($39.99). The promise: “Our premier base-layering system.” More info: Bass Pro Shops

HUNT/FISH SOCKS (U.S.$23)

HUNT/FISH SOCKS (U.S.$23)

Key features: Shrink-treated merino wool; high-density sole and shin cushioning, with ribbing above the ankle to maintain fit; unconditional guarantee. The promise: “Non-itching, wicking and still made in Vermont.” More info: Darn Tough Vermont

CAPILENE 4 EXPEDITION WEIGHT ONE-PIECE SUIT ($239)

CAPILENE 4 EXPEDITION WEIGHT ONE-PIECE SUIT ($239)

Key features: Brushed fleece interior is breathable and moisture wicking; smooth jersey exterior for easy layering; zips on front, fly and drop-bottom. The promise: “Eliminates extra seams and cold spots.” More info: Patagonia

ULTRA BACKCOUNTRY SHIRT ($64)

ULTRA BACKCOUNTRY SHIRT ($64)

Key features: Designed for women hunters; tough, polyester, moisture-wicking fabric; neck zipper for venting, and three lumbar pockets. The promise: “Keeping you cool when it’s hot, and warm when it’s cool.” More info: Prois

UNDERFLEECE SET ($99.75)

UNDERFLEECE SET ($99.75)

Key features: Light, warm nanofleece top and bottom with anti-odour coating; windproof cuffs and multiple pockets; seamless shoulder yokes for comfort. The promise: “Soft, cozy and very quiet.” More info: Hillman Canada