Fox Thermal Base Layer 4XL

Fox Thermal Base Layer — All-Day Warmth on the Bank

The Fox Thermal Base Layer delivers essential winter insulation for long sessions in cold conditions. This complete top-and-bottom set combines moisture-wicking performance with soft, brushed-back comfort to keep you warm and dry from dawn to dusk.

Stay Warm and Dry

The thermal fabric provides reliable insulation while actively wicking moisture away from your skin. Breathable construction prevents overheating during active tasks like baiting up or netting fish, then locks in warmth when you settle back into your chair. The soft, brushed interior lining feels comfortable against the skin even during multi-day sessions.

Flexible, Close Fit

The 90% polyester, 10% elastane blend offers excellent stretch and recovery, moving with you as you cast, walk the margins, or handle fish. The close-fitting design sits smoothly under outer layers without bunching, making it ideal as a foundation piece in your layering system.

Choose the Right Variant

The Fox Thermal Base Layer is available in seven sizes to ensure a proper fit for every angler:

• S — Small build, chest approx. 91–97 cm

• M — Medium build, chest approx. 97–102 cm

• L — Large build, chest approx. 107 cm, waist 81 cm (model height 179 cm)

• XL — Extra large build, chest approx. 112–117 cm

• 2XL — Double extra large build, chest approx. 117–122 cm

• 3XL — Triple extra large build, chest approx. 122–127 cm

• 4XL — Quadruple extra large build, chest approx. 127–132 cm

Facts

• Complete set: top and bottom base layer

• Material: 90% polyester, 10% elastane

• Moisture-wicking and breathable

• Soft, brushed-back lining

• Thermal insulation for winter fishing

• Size: 4XL

• Weight: 772 g