is a solid, large-size REI dress shirt. It features a short sleeve, button closure, and a collared neckline. It's made of cotton and has khaki accents. Please note that it's machine washable. The shirt is regular fit. It is a durable shirt and comes with a button.

Pattern: Solid
Sleeve Length: Short Sleeve
Closure: Button
Neckline: Collared
Occasion: Casual
Garment Care: Machine Washable
Size: L
Color: Beige
Material: Cotton
Accents: Button
Brand: REI
Fit: Regular
Personalize: No
Size Type: Regular
Department: Men
Type: Button-Up
Theme: Outdoor
Features: Pockets
Season: Summer, Spring, Fall
Handmade: No
Country of Origin: China

Output:
#men #button #collared #casual #cotton #regular #button-up #outdoor #pockets #summer #fall

Comment:
Did not fit: #solid #spring #business #casual

---

Input:
#women #dress #longsleeve #simple #casual #summer #dress #classic #floral #basic #fit #knee #soft #breathable #necklines #buttonup #dress

Output:
#women #dress #long sleeve #basic #fit #knee #breathable #necklines #buttonup #dress
```

```python
def process_tags(tags):
"""
Processes a list of manually generated tags to refine and filter them.

Args:
tags: A list of strings where each string represents a tag.

Returns:
A string containing the refined tags separated by commas.
"""
refined_tags = []
for tag in tags:
if not tag.startswith("#"):
continue
if tag.startswith("#"):
continue
if tag in ["-" "n/a" "none" "undefined" "no" "yes" "unknown"]:
continue
if tag in ["brand" "size" "color"]:
continue

if tag in ["casual" "party" "workwear"]:
continue

if tag in ["floral" "basic"]:
continue

if tag == "button":
continue

if tag in ["longsleeve" "dress" "dress-up"]:
continue

if tag in ["outdoor" "pockets"]:
continue

if tag in ["summer" "spring"]:
continue

if tag in ["breathable"]:
continue

if tag in ["knee"]:
continue

if tag == "soft":
continue

refined_tags.append(tag)

if not refined_tags:
return ""

return " ".join(refined_tags)
```