Blank White T-Shirt Lifestyle Mockup

Lifestyle mockup scene with a completely blank plain white t-shirt, no print, no text, no logo, laid flat beside a dark sage yoga mat in a calm home wellness corner. Shirt dominates the composition, chest area unobstructed for adding a design. Include 2-3 props near bottom/corners only: rolled yoga strap, water bottle, small towel. Soft overhead daylight, realistic cotton texture, subtle shadow, relaxed low-cortisol aesthetic, 1080x1080 square. No artwork on shirt, no words, no logo, no person, no body parts, no props on chest, no props above collar, no dramatic gym lighting, no busy background.