Mass Gains | Performance Training Tee

Class 5 Performance Verified independent store

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The Mass Gains Performance Training Tee takes its cue from hazard and explosive classification, where mass matters and force is treated with respect. This isn’t about hype. It’s ab out accumulation. Time under load. Consistent work that adds up to something noticeable.Whether you’re moving heavy weight, stacking volume, or putting in long sessions that don’t make it to social media, this tee is built to support the work. Clean, official, and deliberate, it reads like a warning label for earned strength.A lightweight, moisture-wicking training tee designed for athletes, military members, veterans, and anyone who treats training like a responsibility instead of a phase. The relaxed unisex athletic fit gives you room to move through heavy lifts, hard conditioning, and everyday training without distraction.Built for mass that didn’t happen by accident.Why It PerformsMoisture-wicking performance fabric keeps you dry during heavy lifts, hot days, and conditioning workOdor-resistant and stain-release material stays fresh through hard sessionsFade- and snag-resistant fabric built for real use in and out of the gymUPF 44+ sun protection for outdoor training and long days outsideReinforced shoulder seams that handle packs, vests, and repeated barbell contactRelaxed athletic fit that moves with you without restricting workTechnical Specs100% premium performance polyester4 oz per square yardSoft performance textureFade and snag resistantUPF 44+ protectionRelaxed athletic fitNotesPrint texture from glycol may appear and washes out easilyDark shirts may show temporary heat-press shading that fades after one washAvailable only in the United States Size guide LENGTH (inches) CHEST (inches) SLEEVE LENGTH (inches) S 27 ½ 36-39 18 ½ M 28 ½ 39-42 19 ¼ L 29 ½ 42-45 20 XL 30 ½ 46-49 20 ¾ 2XL 31 ½ 50-53 21 ½ 3XL 32 ½ 54-57 22 ¼ 4XL 33 ½ 58-61 23 Browse more training gear in the Class 5 Performance collection. Show more