Westside Discs BT Hard is a plastic blend designed for disc golfers who prefer a firmer feel in their discs. Here are some key features of BT Hard:

Firmer feel: Compared to other Westside plastics, BT Hard offers a noticeably firmer grip. This can be beneficial for players who want more control over their discs, especially in cold or wet weather conditions.

Durability: BT Hard is a durable plastic that can withstand a lot of punishment. This makes it a good choice for discs that will be used for hard throws or that are likely to hit obstacles on the course.

Stays true to shape: BT Hard is a stiff plastic that holds its shape well. This can be helpful for players who want discs that will fly predictably, even in windy conditions.
Here are some additional things to keep in mind about BT Hard:

Not as grippy as some other plastics: While BT Hard is more grippy than some premium plastics, it is not as grippy as some of Westside's other plastic blends, such as VIP or Tournament.

May be more difficult to break in: Because of its stiffness, BT Hard discs may take a little longer to break in and reach their full potential.

BT Hard is a good choice for disc golfers who are looking for a durable, firm plastic that will hold its shape in windy conditions. It is a good option for putters, midranges, and fairway drivers.