Blenders Eyewear Grove Polarized Sunglasses. The butterfly-inspired frame is a natural complement to most any face shape. The hand-crafted acetate construction provides one-of-a-kind tortoise textures and gorgeous gloss finishes. Most suitable for Medium to Large sized heads. 53mm x 13mm x 147mm frame measurements. Finished with polarized smoke gradient lenses, it’s comfortable, stylish, and the kind of pair you’ll reach for every day. Imported.