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Size Guide: Shield Women's Running Jacket

Fit: Boxy, cropped fit, women's. Cropped to sit at the waist, with room to layer underneath.

Size XS S M L XL
UK size 4/6 8/10 12 14 16
Your chest (cm) Up to 82 83–87 88–92 93–97 98–102
Your chest (in) Up to 32 33–34 35–36 37–38 39–40

Garment measurements (cm, inches in brackets)

Size XS S M L XL
Chest width (armpit to armpit, ×2) 95 (37.5) 100 (39.5) 105 (41.5) 110 (43.5) 115 (45.5)
Front length 46.5 (18.5) 48 (19) 49.5 (19.5) 51 (20) 52.5 (20.5)
Sleeve length (from neck) 70.5 (28) 72.5 (28.5) 74.5 (29.5) 76.5 (30) 78.5 (31)

Measured flat, may vary by ±1 cm. To find your chest, measure around the fullest part with the tape level under your arms.

Our mission is to support anyone always in pursuit — celebrating the daily progress and the small wins that add up to big moments.

Olympian Founded, Designed in Ireland

Swifter is built on years of elite experience sporting by founders James Madden and Nadia Power.

Combining James’s background in product development and Inter-county Hurling with Nadia’s standards as an Irish track Olympian, we design gear differently. Nadia personally uses 20 years of running experience to stress-test every item to ensure it meets the demands of high performance.

We have trained through the challenges you face, and we design our products to solve them - delivering problem solving, reliable gear that looks good too.

Every Detail Matters

We design and test performance gear for those who show up and put in the work.

Engineered with problem-solving features, every Swifter product is developed and sampled by athletes to ensure it supports your daily progress

Community at our Core

We host regular run clubs and events in Dublin, encouraging people to run and connect. However, our community means so much more to us than a local run club. It consists of anyone around the world willing to join us in the pursuit of self improvement through exercise.