Breakthrough Long Sleeve: Bone White
Breakthrough Long Sleeve Size Guide
Size | Chest | Body Length | Sleeve Length* | Sweep (Hem) |
---|---|---|---|---|
*Sleeve length measured from center back. **Based on a relaxed fit; women may size down for a closer fit. |
||||
XS | 31-33" | 25.25" | 32.5" | 33" |
S | 34-36" | 26.5" | 33" | 36" |
M | 37-39" | 27.25" | 33.5" | 39" |
L | 40-42" | 28.25" | 34" | 42" |
XL | 43-45" | 29.25" | 34.5" | 45" |
XXL | 46-48" | 30.25" | 35" | 48" |
How to choose your size
- Unisex - Since this is a Unisex style, women may prefer to size down for a closer fit, while men can choose their typical size for a standard fit.
- True to size - Choose your usual size for a comfortable, athletic fit.
- Size down - For a closer, performance-style fit (ideal for running or training).
- Size up - For layering over thermals or achieving a more relaxed, casual style.
Measuring tips
- Chest: Measure around the fullest part of your chest.
- Sleeve: Measure from the center back of your neck, over your shoulder, and down to your wrist.
- Body length: Measure from the highest point of the shoulder to the bottom hem.
- Sweep (Hem): Lay the garment flat and measure straight across the bottom edge; double for circumference.
Soft, stretchy, and breathable, this long sleeve delivers all the comfort of your favorite t-shirt with raglan sleeve construction for unrestricted movement. Easy to layer and ideal for warm-ups, cool-downs, or breezy days.
Your everyday performance layer. Clean and graphic free for a minimalist look, perfect on its own or as a layering piece for warmups, cool downs, or breezy mornings.
Fabric: 45% Polyester, 45% Nylon, 10% Spandex
Care:
- Machine wash cold
- Tumble dry low
- Do not bleach
- Do not iron
Comfortable & Versatile
Incredibly soft against the skin, with 4-way stretch built to move as you do.
Equally comfortable in the gym, outdoors, or layered for everyday wear.


Active Lifestyle Ready
Flexible performance makes it ideal for workouts, recovery, and daily movement.
Active Lifestyle Ready
Flexible performance makes it ideal for workouts, recovery, and daily movement.

Built to last
Fabric resists stretching out or breaking down, even after countless reps and washes.
