Size Guide

NRC core apparel - club tees, singlet, shorts, long sleeve and jacket - fits true to size with unisex sizing in S to 2XL. City Series skyline and area-code tees run oversized with a boxy, dropped-shoulder cut: size down for a standard fit. Caps are one-size five-panels; socks come in S/M and L/XL.

Core apparel (true to size)

NRC Club T-Shirt, Dallas Chapter T-Shirt, Route Line Singlet, Interval 5-Inch Shorts, Every Mile Long Sleeve and Kaizen Track Jacket all fit true to size with unisex sizing, available S-2XL.

Between sizes? Size up for a relaxed fit, down for a trimmer fit. The singlet has a racing cut - size up if you want a training fit.

City Series tees (oversized)

All skyline and area-code tees are cut oversized: boxy body, dropped shoulders. If you want the intended oversized look, take your usual size. For a standard fit, size down one.

Caps and socks

All five-panel caps are one-size and unstructured, fitting most head sizes.

Mile Marker crew socks come in S/M and L/XL. If you are between sizes, size up.

Need exact measurements?

Detailed garment measurements are being finalized for each piece. Until they are published here, email hello@ninjarunclub.com with your usual brand size and we will confirm your NRC size before you order.