Here's what other sites are saying:
For those who want maximum efficiency in their base layer, this one piece has it all. This pinnacle union suit is the first to incorporate Polartec Alpha insulation in a hybrid construction, making it the perfect first layer for the mountain. Shell: 91% polyester, 9% spandex. Lining: 100% polyester. Insulation: 100% polyester. Zoned Polartec Alpha insulation provides best-in-class temperature regulation and breathability. Polartec Power Dry synthetic grid fabrication sits next to skin to move away moisture. Ideal for cold-weather, low-endurance activities. Self-fabric hood fits perfectly under a helmet. Thumb holes help keep sleeves in place. Higher collar provides extra protection. Exterior side zips allow for a drop tail. Imported.
Where to Buy
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L.L.Bean Two-Layer Union Suit
$69 - $74
L.L.Bean Polartec Power Dry Union Suit
Airblaster Ninja Suit
Airblaster Hoodless Ninja Suit
$71 - $109
Patagonia Capilene Thermal Weight One-Piece Suit
Airblaster Merino Wool Ninja Suit