{"locale":"en_US","availableSizes":["XS","S","M","L","XL","2XL"],"modelMeasurements":{"description":"

Measurements are provided by suppliers.<\/p>\n

Product measurements may vary by up to 2\" (5 cm).<\/p>","imageDescription":"

A Length<\/strong><\/strong><\/p>\n

Place the end of the tape beside the collar at the top of the tee (Highest Point Shoulder). Pull the tape measure to the bottom of the shirt.<\/p>\n

B Chest<\/strong><\/p>\n

Measure yourself around the fullest part of your chest. Keep the tape measure horizontal.<\/p>","modelDescription":"","sizeTableDescription":"Product measurements may vary by up to 2\" (5 cm).","sizeTableRows":[{"unit":"inch","unitName":"Inches","title":"Length","sizes":{"XS":[0],"S":[26],"M":[27],"L":[28],"XL":[29],"2XL":[30]}},{"unit":"centimeter","unitName":"Centimeters","title":"Length","sizes":{"XS":[0],"S":[66.04],"M":[68.58],"L":[71.12],"XL":[73.66],"2XL":[76.2]}},{"unit":"inch","unitName":"Inches","title":"Chest","sizes":{"XS":[0],"S":[34,37],"M":[38,41],"L":[42,45],"XL":[46,49],"2XL":[50,53]}},{"unit":"centimeter","unitName":"Centimeters","title":"Chest","sizes":{"XS":[0],"S":[86.36,93.98],"M":[96.52,104.14],"L":[106.68,114.3],"XL":[116.84,124.46],"2XL":[127,134.62]}}],"imageId":3876,"imageUrl":"https:\/\/knucksout.com\/wp-content\/uploads\/2025\/12\/3875_model_size_guide.png"},"productMeasurements":{"description":"

Measurements are provided by suppliers.<\/p>\n

Product measurements may vary by up to 2\" (5 cm).<\/p>","imageDescription":"

A Length<\/strong><\/strong><\/p>\n

Place the end of the tape beside the collar at the top of the tee (Highest Point Shoulder). Pull the tape measure to the bottom of the shirt.<\/p>\n

B Chest<\/strong><\/p>\n

Measure yourself around the fullest part of your chest. Keep the tape measure horizontal.<\/p>","sizeTableDescription":"Product measurements may vary by up to 2\" (5 cm).","internationalSizeTableDescription":"","sizeTableRows":[{"unit":"inch","unitName":"Inches","title":"Length","sizes":{"XS":[0],"S":[26],"M":[27],"L":[28],"XL":[29],"2XL":[30]}},{"unit":"centimeter","unitName":"Centimeters","title":"Length","sizes":{"XS":[0],"S":[66.04],"M":[68.58],"L":[71.12],"XL":[73.66],"2XL":[76.2]}},{"unit":"inch","unitName":"Inches","title":"Width","sizes":{"XS":[0],"S":[18],"M":[20],"L":[21.625],"XL":[23.625],"2XL":[25.625]}},{"unit":"centimeter","unitName":"Centimeters","title":"Width","sizes":{"XS":[0],"S":[45.72],"M":[50.8],"L":[54.928],"XL":[60.008],"2XL":[65.088]}}],"internationalSizeTableRows":[],"imageId":3877,"imageUrl":"https:\/\/knucksout.com\/wp-content\/uploads\/2025\/12\/3875_product_size_guide.png"}}

Men

Sort by

Price filter

Product categories

Muscle Shirt

Muscle Shirt

Quick Links

Policies

Contact