Women's 2XU Aero Top LS Half Zip Brand_Sub4 The new and improved full-length

The new and improved full-length MIZUNO ENERZY midsole possesses an additional 2mm of foam

Hoka have fine-tuned the midsole geometry for an inherently stable ride

Helion™ superfoam for maximum cushioning

LOW IMPACT SUPPORT

Women's 2XU Aero Top LS Half Zip Brand_Sub4 The new and improved full-lengthSoft and smooth coverage that can be worn on its own or as an extra layer, the Aero 1 2 Zip has a lightweight breathable mesh back and is easily adjusts at the neck and sleeves so you can stay comfortable as you heat up or cool down. FLEXIBLE VERSATILITY Raglan sleeves provide maximum movement and 1 2 zip design lets you adjust exposure to the elements to your liking with thumbholes at sleeve cuffs providing extra warmth and coverage on cooler days.