US$ 20.95
and help prevent heel blistering
It has a Boa® Fit System that offers a customizable fit so that feet can lock in and break out in a snap
stretching
The Glycerin 20’s upper is designed to offer a more flexible and adaptable fit for neutral runners
allowing for a snug but flexible fit that molds to the shape of your foot
WOMEN'S R1 Size:5.5 and help prevent heel blisteringThe R1 features a CPU outsole with an exceptional light weight of 8. 5 oz (US M9), but may produce noticeable noise on rainy days or on wooden floors. TUNEDFIT Dual Lacing System for separate lace adjustment Dual zone ZeroSag midsole inserts with little degradation during long runs LightCELL midsole base featuring excellent lightness and bounce GOFLOW midsole geometry to guide your stride Double layered jacquard upper with 40% recycled polyester