Triathlon Shorts

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Style # THETE30017

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Theory 38 Triathlon Shorts


Layered Theory 38 athletic shorts with a relaxed top layer and a fitted stretch-nylon bottom layer. 2 on-seam pockets and a zip back pocket. Drawstring at the gathered elastic waist.

Fabric: Crisp weave.
Shell: 89% nylon/11% polyurethane.
Lining: 92% nylon/8% elastane.
Wash cold.
Imported, China.

Front rise: 11in / 28cm
Inseam: 8in / 20cm
Outseam: 18in / 46cm
Measurements from Size M

Size & Fit

True to size. Buy your normal size.

Front rise: 11in / 28cm
Inseam: 8in / 20cm
Outseam: 18in / 46cm
Measurements from Size M
XS 28 28 36 44 165/74A
XS 29 29 36 46 165/78A
S 30 30 38 46 170/82A
S 31 31 38 46 170/86A
M 32 32 40 48 175/90A
M 33 33 40 48 175/94A
L 34 34 42 50 180/98A
XL 36 36 44 52 185/102A
XXL 38 38 46 54 185/106A

Because sizing and cut will vary between brands, please use this chart as a general guide. If you are between sizes or need assistance selecting the proper size, please contact Customer Service


Theory was founded in 1997 under a design tenet of simplicity: clean silhouettes constructed with impeccable quality, craftsmanship, and fit. Theory’s menswear diffusion line, Theory38, offers sporty, street-influenced silhouettes constructed from cutting-edge technical fabrics. Theory38 specializes in innovative apparel, while remaining true to the brand’s clean aesthetics and focus on quality.

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