Montirex Trail Running Quarter Zip TopMontirex Trail Running Quarter Zip Top in Black. Exclusive to Footasylum! Crafted into a standard relaxed fitting, the lightweight soft fabric is warm, breathable inside and out and makes for a perfect layering option when the temperatures are plummeting. With a quarter zip fastening neck, Monterrain signature branding to left chest and reflective finishes ideal for visibility during those low-light sessions.