Heartbreaker Membership Size:XL Heat-regulating tech and lightweight insulation

Heat-regulating tech and lightweight insulation offer warmth without adding bulk

We removed two spikes seen on the original in favor of a four-spike design

half-marathon

preservatives or flavors

while the BiO-Matter®* frame material gives the frame all-day durability

Heartbreaker Membership Size:XL Heat-regulating tech and lightweight insulationGroundbreakers, pace makers, shot takers, Heartbreakers. Heartbreakers celebrate diversity of pace & person. We believe in the connective power of running to break down socioeconomic, ethnic, and religious barriers. We are beginners, Olympic trialists, international competitors, first time 5K runners, and best time everything runners. We are people who run, committed to getting better & committed to the success of each other. Membership includes your