100 Percent Basecamp Sleeveless Base Layer - M - Black eBay Proven to be the insert

Proven to be the insert of choice by Professional Racers

Materials: Aluminum barrel

The DUB technology uses a better-engineered bottom bracket and adopts a uniformed approach to fitment for forwards and backwards compatibility

Medium Tall: 5

100 Percent Basecamp Sleeveless Base Layer - M - Black eBay Proven to be the insertDon't let Mother Nature limit your performance! 100%'s new fitted sleeveless base layer is designed to keep your core comfortable and warm on those cold weather days, with the option to layer up your arms. Features: Fitted base layer Warm and smell resistant oriented design Wicking polyester pulls moisture away from your skin keeping you dry Knit construction for increased mobility Seam designed to minimise chafing