American Express

Built for performance. Styled for the streets.

The Training Short doesn't choose between the gym and the block — it handles both. Dual-layer construction gives you the inner support and coverage you need during training, with an outer shell that looks clean enough to wear straight out the door. Quick-dry technology keeps you fresh through every rep, every run, every move. Deep pockets for secure storage. Ten colorways so your active rotation never gets boring.

What Makes It Different

Dual-Layer Construction — Inner liner for support and coverage. Outer shell for street-ready style. One short, two functions.
Quick-Dry Technology — Pulls moisture away fast. Keeps you dry and comfortable through every session.
Deep Pockets — Secure storage for your phone, keys, and essentials. No bag needed.
Maximum Breathability — Engineered airflow that keeps you cool when the intensity climbs.
10 Colorways — Camouflage (3 variants), Red, Blue, Navy Blue, Black (2 variants), White, Army Green.
Sizes M–3XL — Check our size guide for the best fit.

Product Specs

Construction: Dual-layer (inner liner + outer shell)
Fabric: Quick-dry, breathable
Pockets: Deep side pockets
Colors: Camouflage, Camouflage 02, Camouflage 03, Red, Blue, Navy Blue, Black, Black 02, White, Army Green
Sizes: M, L, XL, XXL, 3XL
Care: Machine wash cold, tumble dry low. Do not iron.

Sizing Note: These shorts run to an international slim standard — size up one for your ideal relaxed Western fit.

How to Wear It

Pair with a performance tee and training shoes for a clean gym look. Go street with an oversized hoodie and fresh sneakers straight after your session. Layer a track jacket on top when the temperature drops. The Training Short moves with you — wherever that takes you.

Built for the Undefyned Man

At Undefyning Lynes, performance and style are never separate conversations. The Training Short is part of The Undefyned Man collection — built for the man who trains with intention and never compromises on how he looks doing it.