Topo MTN Racer 4 Men's FPR the name says it all:

the name says it all: made for the most demanding summit projects in the high mountains

It’s compact and rugged and features an 8” swivel hose and alloy valve head for secure attachment & easier pumping

this lightweight quarter-zip fleece is made of 100% recycled polyester

Fast Flowing: Hollow fibers filter up to 3 liters per minute with normal squeeze pressure

Durable 840D carbonate coated nylon base with stand-up design for easy loading

Topo MTN Racer 4 Men's FPR the name says it all:A fan favorite for race day and daily training, the Topo Athletic MTN Racer 4 offers rugged performance on technical trails. A 33 x 28 mm platform delivers underfoot cushioning and a protective barrier between you and the ground. Our new upper is fine tuned for performance on technical terrain. The MTN Racer 4 now features our FKT insole, allowing for faster water drainage and added rebound, while our improved gaiter attachment system keeps out