Climate Smart Baselayer. Comfortech Poly 2 piece set Boys long sleeve Crew and long pant. New with Stretch. Warm Baselayer. Color Navy Stripe Sz XS

Spandex adds flexible Comfort.
Moisture Management Leaves you feeling comfortably dry.
Thumbholes for easy layering.
Comfortech Poly Helps keep you warm.
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Functional Fly

Not intended for use as sleepwear.