For serious runners that put training and racing in the same order of importance as work and family, the Signature Series Ultra Vest is your ally. Turn your wildest and most ambitious race goal into reality with this 10.3 liter do-it-all vest. MicroMono mesh fabric with 4-way stretch nylon eliminates irritation from sensitive spots like shoulders, neck, and ribs. Two bottles up front provides a liter’s worth of water or sports drink with enough additional capacity for a phone, camera and trekking poles.

4-WAY STRETCH WOVEN MESH

This material uses a method to dissolve thread from the fabric. This method improves the strength to weight ratio while allowing for maximum 4-way stretch and durability.

30D COATED NYLON RIPSTOP

Ultra lightweight nylon fabric uses a rip stop pattern for added durability. There is a polyurethane coating for maximum weather resistance and durability as well.

MICROMONO MESH

At 55 g/m2 this fabric is extremely lightweight with a woven structure that promotes durability. It is made with a mono filament which improves breathability and does not absorb any moisture.

150G FLEX MONO MESH

This is an ultra lightweight mesh that is soft to the touch. Using a knit structure allows this mesh to be comfortable and very breathable at the same time. It is made with a mono filament which improves breathability and does not absorb any moisture.

• Bottles Included: 2 Body Bottle 500s
• Reservoir Compatible
• Volume Capacity: 629.76 in³ / 10.32 L
• Weight With Bottles: 10.72 oz. / 304 g 
• Weight Without Bottles: 7.27 oz. / 206 g
• Reservoir Compatible: 50 and 70 oz (sold separately)

Sizing at Bottom Ribs (Unisex):

• SM: 23 - 32 in. / 58 - 81 cm
• MD: 30 - 39 in. / 76 - 99 cm
• LG: 37 - 46 in. / 94 - 117 cm