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Your go-to layer when the temperature drops but the day doesn't stop. The Sparms Thermal Base Layer combines ThermoTech insulating fabric with UPF 50+ sun protection — keeping your core warm, dry, and shielded from UV rays during cold morning sessions. Lightweight and breathable with 4-way stretch, it moves with you without adding bulk — the smart middle layer for golfers, cyclists, runners, and anyone who trains through winter.

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Men's Thermals

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Men's Thermal Base Layer High Neck

ThermoTech Arm Sleeves (Black)

ThermoTech Arm Sleeves (White)