M's Heavyweight Baselayer Bottom

The best baselayer under breathable waders or rain suit when your activity level is low. Heat-trapping grid fleece is ideal for a cold weather

Simms Heavyweight Baselayer Hoody - Black - The Fly Shack Fly Fishing

Women's Merino Wool Base Layer Bottoms Heavyweight

Men's Dark Gray Heavyweight Hunting Base Layer Shirt – Huntworth Gear

Men's Force Heavyweight Synthetic Wool-Blend Fleece Base Layer

Shop Cold Weather Fishing Base Layers

M's Thermal Qtr Midlayer Zip Top

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Blackstrap Men's Therma Baselayer Hooded Top –

Arc'Teryx Rho Heavyweight Zip Neck M Black Base layer/thermal tops

M's Thermal Qtr Midlayer Zip Top

LeMieux Ladies Thermal Baselayer

M's Heavyweight Baselayer Bottom