145mm 134g Rail Carbon/Ceramic

extending the duration between hot wax applications

With precise ventilation ports and internal channels to control air intake and release at both low and high speeds

and grime from your chain efficiently

Perfect balance between breathability and insulation

gripgrab merino blend half zip thermal long sleeve base layer bicycle pumps 145mm 134g Rail Carbon/CeramicThe GripGrab Merino Blend Half Zip Long Sleeve Base Layer is the height of luxury winter layering. The unique two layer fabric combines a merino wool outer with a viscose blend inner, to create a super soft, incredibly breathable and highly insulating base layer. The two natural fabrics are known for their outstanding temperature regulation and wicking performance; so they will keep you comfortable even when you are working hard in the winter months.