Outsole: Semi one-piece outsole increases ground contact for grip and stability

TPU heel cage improves stability and keeps you on track

Enjoy a softer feel at impact from the shock-absorbing inserts in the handle

100% Carbon fiber Speedboard® returns energy to drive you forward

ASICS GT-4000 4 Men's Winter Sea/Birch Size:11.5 Outsole: Semi one-piece outsole increasesMeet one of the most supportive shoes in the ASICS lineup. Upgraded with a softer and smoother design, the ASICS GT 4000 4 helps overpronators align their stride. Enjoy the best of both worlds with the ultra light FF BLAST midsole and supportive LITETRUSS technology. Perfect for runners who don't want to sacrifice comfort for support, the ASICS GT 4000 4 is an overpronator's delight! What's New? FF BLAST cushioning and PureGEL technology provide a