W Brooks Glycerin GTS 23 LIFESTYLE we're not sure either but

we're not sure either but it's a simple solution that makes for a versatile technical winter run accessory

Maximum comfort - the PWRRUN+ sockliner coupled with PWRRUN midsole provides a soft feel the moment you step in

ALL CONDITIONS POLARIZED WRAPAROUND LENS WITH EXTREME ANTI-FOG COATING AND GLARE-REDUCING UV400 PROTECTION SO YOU'RE COVERED IN EVEN THE MOST EXTREME CONDITIONS

Durable rubber outsole with supportive wrapping at the midfoot

8:1 fructose to glucose ratio enables even greater uptake – up to 100 grams per hour

W Brooks Glycerin GTS 23 LIFESTYLE we're not sure either butProduct Details: The women's Glycerin GTS 23 is the perfect running shoe if you want supreme softness and structured support. Best for Road running, Everyday runs, Long runs Cushion Plush Experience luxuriously soft landings with powerful toe offs. Support Structured support GuideRails Technology System helps keep excess movement in check Midsole Drop: 8mm Features Plush, tuned cushioning, Accommodating fit, GuideRails support