Sweaty Betty - Thermodynamic 1/2 Zip Reflective Jacket. Color Black. Low Stock. On sale for $78.96. MSRP $128.00.. 4.0 out of 5 stars1 left in stockBrand NameSweaty BettyProduct NameThermodynamic 1/2 Zip Reflective JacketColorBlackPrice$78.96MSRP: $128.00